Jesper Hallas
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Computer Science
Jesper Hallas's Degrees
- PhD Computer Science University of Copenhagen
- Masters Computer Science University of Copenhagen
- Bachelors Computer Science University of Copenhagen
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(Suggest an Edit or Addition)Jesper Hallas's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- The Danish National Prescription Registry (2011) (1808)
- Data Resource Profile: The Danish National Prescription Registry (2016) (686)
- The Danish prescription registries. (1997) (623)
- Use of single and combined antithrombotic therapy and risk of serious upper gastrointestinal bleeding: population based case-control study (2006) (394)
- Use of proton pump inhibitors and the risk of community-acquired pneumonia: a population-based case-control study. (2007) (344)
- Drug related hospital admissions: the role of definitions and intensity of data collection, and the possibility of prevention (1990) (343)
- Classification of myocardial infarction: frequency and features of type 2 myocardial infarction. (2013) (290)
- Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study (2021) (276)
- Statins and risk of polyneuropathy: A case-control study (2002) (267)
- Polypharmacy: correlations with sex, age and drug regimen A prescription database study (1998) (253)
- Evidence of Depression Provoked by Cardiovascular Medication: A Prescription Sequence Symmetry Analysis (1996) (226)
- Comorbidity in elderly cancer patients in relation to overall and cancer-specific mortality (2012) (219)
- Characteristics and predictors of hospitalization and death in the first 11 122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort (2020) (217)
- Drug related admissions to medical wards: a population based survey. (1992) (212)
- The relationship between paroxetine and the sparteine oxidation polymorphism (1992) (211)
- Complicated and Uncomplicated Peptic Ulcers in a Danish County 1993–2002: A Population-Based Cohort Study (2006) (204)
- Lipid-Lowering Drugs and Risk of Myopathy: A Population-Based Follow-Up Study (2001) (199)
- Effect of an In-Hospital Multifaceted Clinical Pharmacist Intervention on the Risk of Readmission: A Randomized Clinical Trial (2018) (176)
- Methods for estimating the occurrence of polypharmacy by means of a prescription database (1997) (174)
- Helicobacter pylori and risk of ulcer bleeding among users of nonsteroidal anti-inflammatory drugs: a case-control study. (1999) (162)
- The mephenytoin oxidation polymorphism is partially responsible for the N‐demethylation of imipramine (1991) (157)
- The Nordic prescription databases as a resource for pharmacoepidemiological research—a literature review (2013) (153)
- Mortality rate in type 2 myocardial infarction: observations from an unselected hospital cohort. (2014) (148)
- Selective Serotonin Reuptake Inhibitors and the Risk of Stroke: A Population-Based Case-Control Study (2002) (140)
- Post-acute effects of SARS-CoV-2 infection in individuals not requiring hospital admission: a Danish population-based cohort study (2021) (135)
- Nonsteroidal anti-inflammatory drugs and upper gastrointestinal bleeding, identifying high-risk groups by excess risk estimates. (1995) (123)
- Primary non-adherence in general practice: a Danish register study (2014) (122)
- Hydrochlorothiazide use is strongly associated with risk of lip cancer (2017) (118)
- Use of Antibiotics and Risk of Type 2 Diabetes: A Population-Based Case-Control Study. (2015) (111)
- Long-term cardiovascular safety of febuxostat compared with allopurinol in patients with gout (FAST): a multicentre, prospective, randomised, open-label, non-inferiority trial (2020) (110)
- Use of self‐controlled designs in pharmacoepidemiology (2014) (109)
- An association between selective serotonin reuptake inhibitor use and serious upper gastrointestinal bleeding. (2009) (108)
- Adverse events with use of antiepileptic drugs: a prescription and event symmetry analysis (2009) (105)
- Risk scoring systems for adults admitted to the emergency department: a systematic review (2010) (105)
- Potential of prescription registries to capture individual-level use of aspirin and other nonsteroidal anti-inflammatory drugs in Denmark: trends in utilization 1999–2012 (2014) (105)
- Polypharmacy and the risk of drug-drug interactions among Danish elderly. A prescription database study. (1998) (102)
- Comparison of the Five Danish Regions Regarding Demographic Characteristics, Healthcare Utilization, and Medication Use—A Descriptive Cross-Sectional Study (2015) (101)
- Trends in utilization of antiepileptic drugs in Denmark (2006) (101)
- Association of Antithrombotic Drug Use With Subdural Hematoma Risk (2017) (99)
- Persistence of antimuscarinic drug use (2009) (98)
- Use of proton-pump inhibitors among adults: a Danish nationwide drug utilization study (2016) (97)
- The use of medication against attention deficit hyperactivity disorder in Denmark: a drug use study from a national perspective (2012) (91)
- Data Resource Profile: Danish online drug use statistics (MEDSTAT). (2016) (90)
- Risk of Stroke Associated With Nonsteroidal Anti-Inflammatory Drugs: A Nested Case-Control Study (2003) (90)
- The Waiting Time Distribution as a Graphical Approach to Epidemiologic Measures of Drug Utilization (1997) (89)
- Statin use and exacerbations in individuals with chronic obstructive pulmonary disease (2014) (88)
- Polypharmacy in general practice: differences between practitioners. (1999) (84)
- Non-steroidal anti-inflammatory drugs and ulcer complications: a risk factor analysis for clinical decision-making. (1996) (83)
- Use of fluroquinolone and risk of Achilles tendon rupture: a population-based cohort study (2007) (82)
- Protocol of the Febuxostat versus Allopurinol Streamlined Trial (FAST): a large prospective, randomised, open, blinded endpoint study comparing the cardiovascular safety of allopurinol and febuxostat in the management of symptomatic hyperuricaemia (2014) (80)
- Templates for analysis of individual-level prescription data. (2006) (79)
- Drug utilization statistics for individual‐level pharmacy dispensing data (2005) (77)
- Adverse outcomes and mortality in users of non-steroidal anti-inflammatory drugs who tested positive for SARS-CoV-2: A Danish nationwide cohort study (2020) (77)
- Incidence Rate of Community-Acquired Sepsis Among Hospitalized Acute Medical Patients—A Population-Based Survey* (2015) (76)
- Significance of age and comorbidity on treatment modality, treatment adherence, and prognosis in elderly ovarian cancer patients. (2012) (75)
- Improving Medication Adherence in Patients with Hypertension: A Randomized Trial. (2015) (75)
- Data Resource Profile: The Danish National Prescription Registry. (2016) (74)
- A cohort study on the risk of lymphoma and skin cancer in users of topical tacrolimus, pimecrolimus, and corticosteroids (Joint European Longitudinal Lymphoma and Skin Cancer Evaluation – JOELLE study) (2018) (73)
- Randomized trial of switching from prescribed non-selective non-steroidal anti-inflammatory drugs to prescribed celecoxib: the Standard care vs. Celecoxib Outcome Trial (SCOT) (2016) (73)
- Nurse tele‐consultations with discharged COPD patients reduce early readmissions – an interventional study (2011) (72)
- Changes in the pattern of antidepressant use upon the introduction of the new antidepressants: a prescription database study (1997) (72)
- The validity of self‐reported use of hormone replacement therapy among Danish nurses (2004) (68)
- Assigning exposure duration to single prescriptions by use of the waiting time distribution (2013) (68)
- Postdiagnosis Statin Use and Mortality in Danish Patients With Prostate Cancer. (2017) (67)
- Conducting pharmacoepidemiologic research in Denmark (2001) (67)
- Helicobacter pylori test and eradicate versus prompt endoscopy for management of dyspeptic patients: 6.7 year follow up of a randomised trial (2004) (67)
- Effect of Allopurinol on Cardiovascular Outcomes in Hyperuricemic Patients: A Cohort Study. (2016) (67)
- Considerations for Pharmacoepidemiological Studies of Drug-Cancer Associations. (2018) (66)
- Prevalence, awareness, and control of arterial hypertension in Denmark. (2009) (64)
- Low Use and Adherence to Maintenance Medication in Chronic Obstructive Pulmonary Disease in the General Population (2014) (64)
- New use of prescription drugs prior to a cancer diagnosis (2016) (64)
- Inappropriate use of sumatriptan: population based register and interview study (1998) (63)
- Increased short- and long-term mortality among patients with infectious spondylodiscitis compared with a reference population. (2015) (62)
- Long term use of drugs affecting the renin-angiotensin system and the risk of cancer: a population-based case-control study. (2012) (61)
- Antiepileptic drug utilization: a Danish prescription database analysis (2001) (60)
- Use of opioids in a Danish population-based cohort of cancer patients. (2005) (60)
- Esophagitis: Incidence and Risk of Esophageal Adenocarcinoma—A Population-Based Cohort Study (2006) (59)
- Gastro‐esophageal reflux disease and exacerbations in chronic obstructive pulmonary disease (2015) (59)
- Drug related admissions to a cardiology department; frequency and avoidability (1990) (59)
- The Danish Cardiovascular Screening Trial (DANCAVAS): study protocol for a randomized controlled trial (2015) (58)
- Exposure to antiepileptic drugs and the risk of hip fracture: A case‐control study (2008) (58)
- Statin use and survival following glioblastoma multiforme. (2014) (58)
- Use of sumatriptan in Denmark in 1994-5: an epidemiological analysis of nationwide prescription data. (1997) (57)
- The effect of low-dose spironolactone on resistant hypertension. (2010) (57)
- Drug related events and drug utilization in patients admitted to a geriatric hospital department. (1991) (57)
- Is overuse of sumatriptan a problem? A population-based study (1996) (56)
- Polypharmacy and drug use in elderly Danish cancer patients during 1996 to 2006 (2012) (55)
- The European Network of Centres for Pharmacoepidemiology and Pharmacovigilance (ENCePP). Guide on Methodological Standards in Pharmacoepidemiology (Revision 1, 2012, Revision 2, 2013, Revision 3, 2014)). (2012) (55)
- Are young adults with asthma treated sufficiently with inhaled steroids? A population-based study of prescription data from 1991 and 1994. (2003) (54)
- Use of anti‐secretory medication: a population‐based cohort study (2004) (54)
- Drug prescribing among Danish children: a population-based study (2001) (54)
- Use of Antibiotics in Children: A Danish Nationwide Drug Utilization Study (2015) (53)
- Use of a Prescribed Ephedrine/Caffeine Combination and the Risk of Serious Cardiovascular Events: A Registry-based Case-Crossover Study (2008) (52)
- Sequence symmetry analysis in pharmacovigilance and pharmacoepidemiologic studies (2017) (51)
- Outpatient utilization of antidepressants: a prescription database analysis. (1993) (51)
- Use of N-nitrosodimethylamine (NDMA) contaminated valsartan products and risk of cancer: Danish nationwide cohort study (2018) (49)
- First-trimester exposure to methylphenidate: a population-based cohort study. (2014) (49)
- Drug-related admissions to a department of medical gastroenterology. The role of self-medicated and prescribed drugs. (1991) (47)
- Screening for drug related dyspepsia: an analysis of prescription symmetry (1998) (47)
- Nurses and Physicians in a Medical Admission Unit Can Accurately Predict Mortality of Acutely Admitted Patients: A Prospective Cohort Study (2014) (47)
- Cardiovascular drugs and the risk of suicide: a nested case-control study (2007) (47)
- The use of medication against attention deficit/hyperactivity disorder in Denmark: a drug use study from a patient perspective (2012) (47)
- The antiplatelet effect of clopidogrel is not attenuated by statin treatment in stable patients with ischemic heart disease (2005) (46)
- Hypokalemia in acute medical patients: risk factors and prognosis. (2015) (45)
- Drug‐induced symptoms of functional dyspepsia and nausea. A symmetry analysis of one million prescriptions (2000) (45)
- Children's relative age in class and use of medication for ADHD: a Danish Nationwide Study (2014) (45)
- Use of statins and risk of glioma: a nationwide case–control study in Denmark (2013) (44)
- Late‐onset myasthenia not on the increase: a nationwide register study in Denmark, 1996–2009 (2013) (43)
- The effect of statins on average survival in randomised trials, an analysis of end point postponement (2015) (43)
- Long-term use of metformin and colorectal cancer risk in type II diabetics: a population-based case–control study (2014) (42)
- Bacteremia is associated with excess long-term mortality: a 12-year population-based cohort study. (2015) (41)
- Use of benzodiazepines or benzodiazepine related drugs and the risk of cancer: a population-based case-control study. (2013) (41)
- Significant association between the use of different proton pump inhibitors and microscopic colitis: a nationwide Danish case‐control study (2018) (40)
- Risk of cervical cancer in women with autoimmune diseases, in relation with their use of immunosuppressants and screening: Population‐based cohort study (2015) (40)
- Clinical events preceding switching and discontinuation of oral anticoagulant treatment in patients with atrial fibrillation (2016) (40)
- Drug related hospital admissions in subspecialities of internal medicine. (1996) (40)
- Risk of lactic acidosis in type 2 diabetes patients using metformin: A case control study (2018) (40)
- Individual utilization of anti‐asthma medication by young adults: a prescription database analysis (1993) (39)
- Treatment Changes among Users of Non‐Vitamin K Antagonist Oral Anticoagulants in Atrial Fibrillation (2017) (39)
- Multifaceted Intervention Including Motivational Interviewing to Support Medication Adherence after Stroke/Transient Ischemic Attack: A Randomized Trial (2014) (38)
- How Well Do Discharge Diagnoses Identify Hospitalised Patients with Community-Acquired Infections? – A Validation Study (2014) (38)
- Cancer Risk in Long-term Users of Valproate: A Population-Based Case-Control Study (2009) (37)
- Is Shock Index a Valid Predictor of Mortality in Emergency Department Patients With Hypertension, Diabetes, High Age, or Receipt of β- or Calcium Channel Blockers? (2016) (37)
- Risk and course of SARS-CoV-2 infection in patients treated for hypothyroidism and hyperthyroidism (2021) (36)
- Antithrombotic drugs and subarachnoid haemorrhage risk (2015) (36)
- First trimester in utero exposure to methylphenidate. (2013) (36)
- Use of proton pump inhibitors after antireflux surgery: a nationwide register-based follow-up study (2014) (36)
- Are users of lipid-lowering drugs at increased risk of peripheral neuropathy? (2001) (35)
- Risk of non‐melanoma skin cancer in myasthenia patients treated with azathioprine (2014) (34)
- Short- and long-term mortality in patients with community-acquired severe sepsis and septic shock (2013) (34)
- Drugs and femoral neck fracture: a case‐control study (1991) (34)
- Use of sildenafil or other phosphodiesterase inhibitors and risk of melanoma (2016) (34)
- Medication errors in pediatric inpatients: a study based on a national mandatory reporting system (2017) (33)
- Use of antibiotics in childhood and risk of Type 1 diabetes: a population‐based case–control study (2017) (33)
- Characteristics of undertreatment in COPD in the general population. (2013) (33)
- Lack of Association Between Proton Pump Inhibitor Use and Cognitive Decline (2018) (33)
- Antidepressant use in Denmark, Germany, Spain, and Sweden between 2009 and 2014: Incidence and comorbidities of antidepressant initiators. (2019) (33)
- Metformin treatment does not affect the risk of ruptured abdominal aortic aneurysms (2017) (33)
- Drug related hospital admissions (1993) (33)
- Long-Term Lithium Use and Risk of Renal and Upper Urinary Tract Cancers. (2016) (32)
- Existing Data Sources in Clinical Epidemiology: The Danish COVID-19 Cohort (2020) (32)
- Risk Factors for Hospitalization Due to Community-Acquired Sepsis – A Population-Based Case-Control Study (2015) (32)
- Spironolactone use and the risk of upper gastrointestinal bleeding: a population-based case-control study. (2008) (31)
- Baseline findings of the population‐based, randomized, multifaceted Danish cardiovascular screening trial (DANCAVAS) of men aged 65–74 years (2019) (31)
- Persistent User Bias in Case-Crossover Studies in Pharmacoepidemiology. (2016) (30)
- Off-hours admission and quality of hip fracture care: a nationwide cohort study of performance measures and 30-day mortality. (2016) (30)
- Appendicectomy has no beneficial effect on admission rates in patients with ulcerative colitis (2004) (30)
- Determining prescription durations based on the parametric waiting time distribution (2016) (30)
- Comorbidity and polypharmacy in elderly cancer patients: The significance on treatment outcome and tolerance (2010) (30)
- Concurrent use of more than one major psychotropic drug (polypsychopharmacy) in out-patients--a prescription database study. (1994) (29)
- Use of azathioprine for non‐thymoma myasthenia and risk of cancer: a nationwide case–control study in Denmark (2013) (29)
- Hypothesis-free screening of large administrative databases for unsuspected drug-outcome associations (2018) (29)
- Hormone replacement therapy increases the risk of cranial meningioma. (2013) (28)
- Identification of Associations Between Prescribed Medications and Cancer: A Nationwide Screening Study (2016) (28)
- Cancer risk in long‐term users of vitamin K antagonists: A population‐based case–control study (2013) (28)
- The Influence of Antidepressants on the Disease Course Among Patients With Crohn’s Disease and Ulcerative Colitis—A Danish Nationwide Register–Based Cohort Study (2018) (28)
- Dynamics of vitamin K antagonist and new oral anticoagulants use in atrial fibrillation: a Danish drug utilization study (2014) (27)
- Increased risk of major adverse cardiac events following the onset of acute exacerbations of COPD (2019) (27)
- Effect of a Community Screening for Helicobacter pylori: A 5-Yr Follow-Up Study (2008) (27)
- Screening, prevention and treatment of osteoporosis in patients with chronic obstructive pulmonary disease – a population‐based database study (2010) (27)
- Odense Pharmacoepidemiological Database: A Review of Use and Content. (2017) (27)
- Validity of the Prescriber Information in the Danish National Prescription Registry (2016) (27)
- There is an association between selective serotonin reuptake inhibitor use and uncomplicated peptic ulcers: a population‐based case–control study (2010) (27)
- Cholesterol‐lowering drugs and antidepressants—A study of prescription symmetry (1998) (27)
- Association of Potent and Very Potent Topical Corticosteroids and the Risk of Osteoporosis and Major Osteoporotic Fractures. (2021) (27)
- Medically treated exacerbations in COPD by GOLD 1-4: A valid, robust, and seemingly low-biased definition. (2015) (26)
- Use of low-dose aspirin and non-aspirin nonsteroidal anti-inflammatory drugs and risk of glioma: a case–control study (2013) (26)
- Drug-related illness as a cause of admission to a department of respiratory medicine. (1992) (26)
- Low-dose aspirin or other nonsteroidal anti-inflammatory drug use and prostate cancer risk: a nationwide study (2016) (26)
- Antidepressant treatment in general practice--an interview study. (1995) (26)
- The DanCavas Pilot Study of Multifaceted Screening for Subclinical Cardiovascular Disease in Men and Women Aged 65-74 Years. (2017) (26)
- The influence of comprehensive geriatric assessment on drug therapy in elderly patients (2014) (25)
- Using the “proportion of patients covered” and the Kaplan‐Meier survival analysis to describe treatment persistence (2018) (25)
- The risk of missed gastroesophageal cancer diagnoses in users and nonusers of antisecretory medication. (2005) (25)
- Clopidogrel–Paclitaxel Drug–Drug Interaction: A Pharmacoepidemiologic Study (2017) (24)
- Inhalation or total intravenous anaesthesia and recurrence after colorectal cancer surgery: a propensity score matched Danish registry-based study. (2020) (24)
- Subdural hematoma cases identified through a Danish patient register: diagnosis validity, clinical characteristics, and preadmission antithrombotic drug use (2016) (24)
- Individualized drug utilization statistics (1994) (24)
- A MiniReview of the use of hospital-based databases in observational inpatient studies of drugs. (2013) (24)
- Use of SSRIs among Danish children: a nationwide study (2014) (23)
- Control yourself: ISPE‐endorsed guidance in the application of self‐controlled study designs in pharmacoepidemiology (2021) (23)
- Refining estimates of prescription durations by using observed covariates in pharmacoepidemiological databases: an application of the reverse waiting time distribution (2017) (22)
- Systolic blood pressure and short-term mortality in the emergency department and prehospital setting: a hospital-based cohort study (2015) (22)
- Long-term use of antiplatelet drugs by stroke patients: a follow-up study based on prescription register data (2012) (22)
- Methimazole and risk of acute pancreatitis. (2020) (22)
- Association between prescribing patterns of anti-asthmatic drugs and clinically uncontrolled asthma: a cross-sectional study. (2011) (22)
- Antihistamines and ovarian cancer survival: nationwide cohort study and in vitro cell viability assay. (2019) (22)
- Prescription of antidepressants is increased in Danish patients with polycystic ovary syndrome and is associated with hyperandrogenism. A population‐based cohort study (2014) (21)
- The Association between Use of Serotonergic Antidepressants and Perioperative Bleeding during Total Hip Arthroplasty – A Cohort Study (2014) (21)
- Cancer patients' share in a population's use of opioids. A linkage study between a prescription database and the Danish Cancer Registry. (2004) (21)
- Concurrent use of tramadol and oral vitamin K antagonists and the risk of excessive anticoagulation: a register-based nested case–control study (2013) (21)
- Use of lithium in the adult populations of Denmark, Norway and Sweden. (2009) (20)
- Off-Hours Admission and Acute Stroke Care Quality: A Nationwide Study of Performance Measures and Case-Fatality (2014) (20)
- Statins and polyneuropathy revisited: case‐control study in Denmark, 1999–2013 (2017) (20)
- Increased use of inhaled corticosteroids among young Danish adult asthmatics: an observational study. (2010) (20)
- Selective Serotonin Reuptake Inhibitors and the Risk of Stroke (2002) (20)
- Phthalate exposure from drugs during pregnancy and possible risk of preterm birth and small for gestational age. (2019) (19)
- Abstract (2003) (19)
- Angiotensin II receptor blockers are safe in patients with prior angioedema related to angiotensin‐converting enzyme inhibitors – a nationwide registry‐based cohort study (2019) (19)
- Treatment failures after antibiotic therapy of uncomplicated urinary tract infections. A prescription database study (2002) (19)
- Pharmacoepidemiological assessment of drug interactions with vitamin K antagonists (2014) (19)
- SearCh for humourIstic and Extravagant acroNyms and Thoroughly Inappropriate names For Important Clinical trials (SCIENTIFIC): qualitative and quantitative systematic study (2014) (19)
- Seven-Day Mortality Can Be Predicted in Medical Patients by Blood Pressure, Age, Respiratory Rate, Loss of Independence, and Peripheral Oxygen Saturation (the PARIS Score): A Prospective Cohort Study with External Validation (2015) (19)
- Urinary tract infections and risk of squamous cell carcinoma bladder cancer: A Danish nationwide case–control study (2019) (18)
- Generic Switching and Non-Persistence among Medicine Users: A Combined Population-Based Questionnaire and Register Study (2015) (18)
- Do statins protect against upper gastrointestinal bleeding? (2009) (18)
- Risk of Acute Liver Injury in Agomelatine and Other Antidepressant Users in Four European Countries: A Cohort and Nested Case–Control Study Using Automated Health Data Sources (2019) (18)
- Impact of Urate Level on Cardiovascular Risk in Allopurinol Treated Patients. A Nested Case-Control Study (2016) (18)
- Discontinuation of Antiplatelet Treatment and Risk of Recurrent Stroke and All-Cause Death: A Cohort Study (2014) (18)
- Sodium–glucose cotransporter 2 inhibitors and risk of nephrolithiasis (2021) (18)
- Association between use of phthalate-containing medication and semen quality among men in couples referred for assisted reproduction (2018) (18)
- Proton Pump Inhibitor Use Is Not Strongly Associated With SARS-CoV-2 Related Outcomes: A Nationwide Study and Meta-analysis (2021) (17)
- Does Appendectomy Reduce the Risk of Ulcerative Colitis? (2004) (17)
- Validity of ICD‐9 and ICD‐10 codes used to identify acute liver injury: A study in three European data sources (2019) (17)
- Identifying Patients with Myasthenia for Epidemiological Research by Linkage of Automated Registers (2011) (17)
- Use of disulfiram and risk of cancer: a population-based case–control study (2014) (17)
- Impact of socioeconomic status on the use of inhaled corticosteroids in young adult asthmatics. (2011) (17)
- Long-term Use of Statins and Risk of Renal Cell Carcinoma: A Population-based Case-Control Study. (2016) (16)
- Annotations and Reflections (2015) (16)
- Phenobarbital compared to benzodiazepines in alcohol withdrawal treatment: A register-based cohort study of subsequent benzodiazepine use, alcohol recidivism and mortality. (2016) (16)
- Hormonal contraceptive use and risk of glioma among younger women: a nationwide case-control study. (2015) (16)
- Drug and Therapeutics Committees in Danish Hospitals: A Survey of Organization, Activities and Drug Selection Procedures (2013) (16)
- Pharmaceutical interventions on prescription problems in a Danish pharmacy setting (2011) (16)
- Performance of the High‐dimensional Propensity Score in a Nordic Healthcare Model (2017) (16)
- Myasthenia and risk of cancer: a population‐based case–control study (2014) (16)
- Association of Nonsteroidal Anti-inflammatory Drug Use and Adverse Outcomes Among Patients Hospitalized With Influenza (2020) (16)
- SARS-CoV-2 infection and adverse outcomes in users of ACE inhibitors and angiotensin-receptor blockers: a nationwide case-control and cohort analysis (2020) (16)
- Who prescribes drugs to patients: A Danish register‐based study (2021) (15)
- Prognosis in patients with suspected or known ischemic heart disease and normal myocardial perfusion: Long-term outcome and temporal risk variations (2013) (15)
- Helicobacter pylori and risk of upper gastrointestinal bleeding among users of selective serotonin reuptake inhibitors (2011) (15)
- Effectiveness and safety of direct oral anticoagulants in atrial fibrillation patients switched from vitamin K antagonists: A systematic review and meta‐analysis (2019) (15)
- Explaining trends in coronary heart disease mortality in different socioeconomic groups in Denmark 1991-2007 using the IMPACTSEC model (2018) (15)
- Topical Antimycotics for Oral Candidiasis in Warfarin Users (2017) (15)
- The Danish National Prescription Registry in studies of a biological pharmaceutical: palivizumab – validation against two external data sources (2015) (15)
- Population Exposure to Phthalate‐containing Drugs (2017) (15)
- Long-term use of lithium and risk of colorectal adenocarcinoma: a nationwide case–control study (2016) (15)
- Cancer incidence in persons with elevated cobalamin levels (2013) (14)
- Perioperative Tranexamic Acid Treatment and Risk of Cardiovascular Events or Death After Total Hip Arthroplasty: A Population-Based Cohort Study from National Danish Databases (2018) (14)
- Measures of ‘exposure needed for one additional patient to be harmed’ in population‐based case‐control studies (2014) (14)
- Misuse of sumatriptan (1994) (13)
- External validity of a cardiovascular screening including a coronary artery calcium examination in middle-aged individuals from the general population (2018) (13)
- Sixteen years of creatinine measurements among 460 000 individuals—The Funen Laboratory Cohort (FLaC), a population‐based pharmacoepidemiological resource to study drug‐induced kidney disease (2019) (13)
- Use of antipsychotics in Denmark 1997–2018: a nation-wide drug utilisation study with focus on off-label use and associated diagnoses (2021) (13)
- Identifying and assessing potential harm of medication errors and potentially unsafe medication practices in paediatric hospital settings: a field study (2018) (13)
- Cardiovascular drugs and erectile dysfunction - a symmetry analysis. (2015) (13)
- Excessive anticoagulation with warfarin or phenprocoumon may have multiple causes. (2012) (13)
- The excess long-term mortality in peptic ulcer bleeding is explained by nonspecific comorbidity (2015) (12)
- Time to initial antibiotic administration, and short-term mortality among patients admitted with community-acquired severe infections with and without the presence of systemic inflammatory response syndrome: a follow-up study (2015) (12)
- The use of selective serotonin receptor inhibitors (SSRIs) is not associated with increased risk of endoscopy‐refractory bleeding, rebleeding or mortality in peptic ulcer bleeding (2017) (12)
- Deviant patterns of methylphenidate use in adults: a Danish nationwide registry‐based drug utilization study (2015) (12)
- Type of hormone therapy and risk of misclassification at mammography screening (2010) (12)
- Pharmacovigilance based on prescription databases. (2000) (12)
- Hormone replacement therapy and risk of glioma: a nationwide nested case-control study. (2013) (12)
- Effects of Community Screening for Helicobacter pylori: 13‐Year Follow‐Up Evaluation of a Randomized Controlled Trial (2017) (12)
- Discontinuation of oral anticoagulation in atrial fibrillation and risk of ischaemic stroke (2020) (12)
- Statin use and risk of nonmelanoma skin cancer: a nationwide study in Denmark (2014) (12)
- Eradication of Helicobacter pylori and use of antisecretory drugs: population based cohort study (2003) (12)
- The influence of hospital drug formulary policies on the prescribing patterns of proton pump inhibitors in primary care (2014) (12)
- Use of exenatide and liraglutide in Denmark: a drug utilization study (2014) (12)
- Physicians’ and pharmacies’ overview of patients’ medication. An analysis of fidelity coefficients (2011) (12)
- Treatment Failure of TNF-α Inhibitors in Obese Patients With Inflammatory Bowel Disease-A Cohort Study. (2018) (11)
- Intermediate-term and long-term mortality among acute medical patients hospitalized with community-acquired sepsis: a population-based study (2017) (11)
- Prescribing of acid suppressive therapy: interactions between hospital and primary care (2006) (11)
- Reduced ability to work both before and after infectious spondylodiscitis in working-age patients (2017) (11)
- Persistence and adherence to non-vitamin K antagonist oral anticoagulant treatment in patients with atrial fibrillation across five Western European countries (2021) (11)
- Patterns of use of antimuscarinic drugs to treat overactive bladder in Denmark, Sweden, and the United Kingdom (2016) (11)
- Comparison of cardiovascular events among treatments for overactive bladder: a Danish nationwide cohort study (2018) (11)
- Statins and nonsteroidal anti‐inflammatory drugs—an analysis of prescription symmetry (2006) (11)
- Use of Proton Pump Inhibitors and the Risk of Community-Acquired Pneumonia (2017) (11)
- Patterns of use of antimuscarinic drugs to treat overactive bladder in Denmark, Sweden, and the United Kingdom (2016) (11)
- Comparison of cardiovascular events among treatments for overactive bladder: a Danish nationwide cohort study (2018) (11)
- Congenital Malformations in Denmark: Considerations for the Use of Danish Health Care Registries (2020) (10)
- Process- and patient-reported outcomes of a multifaceted medication adherence intervention for hypertensive patients in secondary care. (2016) (10)
- The characteristics and prognosis of patients fulfilling the Appropriateness Evaluation Protocol in a medical admission unit; a prospective observational study (2011) (10)
- Using the Symmetry Analysis Design to Screen for Adverse Effects of Non-vitamin K Antagonist Oral Anticoagulants (2018) (10)
- Cumulative exposure to phthalates from phthalate‐containing drug products: a Danish population‐wide study (2018) (10)
- Estimating medication stopping fraction and real‐time prevalence of drug use in pharmaco‐epidemiologic databases. An application of the reverse waiting time distribution (2017) (10)
- Opioid prescriptions before and after high-energy trauma. (2015) (10)
- Pharmacoepidemiology – current opportunities and challenges (2009) (10)
- Description of a practice model for pharmacist medication review in a general practice setting (2014) (10)
- The Validity of Intracerebral Hemorrhage Diagnoses in the Danish Patient Registry and the Danish Stroke Registry (2020) (10)
- Association of aortic valve calcification and vitamin K antagonist treatment. (2020) (10)
- Extent of arterial calcification by conventional vitamin K antagonist treatment (2020) (10)
- Identifying admitted patients at risk of dying: a prospective observational validation of four biochemical scoring systems (2013) (10)
- Trends in Incidence of Intracerebral Hemorrhage and Association With Antithrombotic Drug Use in Denmark, 2005-2018 (2021) (10)
- Adherence to Prescribed Drugs Among 65-74 Year Old Men Diagnosed with Abdominal Aortic Aneurysm or Peripheral Arterial Disease in a Screening Trial: A VIVA Substudy. (2019) (10)
- Identifying signals of interest when screening for drug‐outcome associations in health care data (2018) (10)
- Sodium‐glucose cotransporter‐2 inhibitors and the risk of gout: A Danish population based cohort study and symmetry analysis (2021) (10)
- Comparison of mortality in patients with acute myocardial infarction accidentally admitted to non-cardiology departments versus that in patients admitted to coronary care units. (2014) (10)
- Long-term use of antiplatelet drugs by patients with transient ischaemic attack (2014) (9)
- Use of Low-Dose Aspirin and Mortality After Prostate Cancer Diagnosis (2019) (9)
- First-time endoscopy and use of antisecretory medication: A population-based cohort study (2005) (9)
- Treatment with montelukast and antidepressive medication—a symmetry analysis (2018) (9)
- Clinical Pharmacology in Denmark in 2016 - 40 Years with the Danish Society of Clinical Pharmacology and 20 Years as a Medical Speciality. (2016) (9)
- Cancer patients’ first treatment episode with opioids: a pharmaco-epidemiological perspective (2006) (9)
- The effect of immunosuppressants on the prognosis of SARS-CoV-2 infection (2021) (9)
- Adherence to hospital drug formularies and cost of drugs in hospitals in Denmark (2013) (9)
- A multifaceted pharmacist intervention to support medication adherence after stroke and transient ischemic attack (2015) (9)
- The Validity of Danish Prescription Data to Measure Use of Aspirin and Other Non-Steroidal Anti-Inflammatory Drugs and Quantification of Bias Due to Non-Prescription Drug Use (2021) (9)
- Drug use among complete responders, partial responders and non‐responders in a longitudinal survey of nonagenarians: analysis of prescription register data (2017) (8)
- Evaluating the use of prescription sequence symmetry analysis as a pharmacovigilance tool: A scoping review. (2021) (8)
- Long‐term oral budesonide treatment and risk of osteoporotic fractures in patients with microscopic colitis (2020) (8)
- Early Discontinuation of Metformin in Individuals Treated with Inhibitors of Transporters of Metformin (2016) (8)
- Postponement of Death by Statin Use: a Systematic Review and Meta-analysis of Randomized Clinical Trials (2019) (8)
- Association of Low-Dose Quetiapine and Diabetes (2021) (8)
- National surveillance of Helicobacter pylori eradication therapy in Denmark. Results from registration of 34,582 prescriptions. (1998) (8)
- Patients' concern about their medicine after a generic switch: a combined cross‐sectional questionnaire and register study (2014) (8)
- Is urate crystal precipitation a predictor of cardiovascular risk in hyperuricemic patients? A Danish cohort study (2015) (8)
- Impact of EMA regulatory label changes on systemic diclofenac initiation, discontinuation, and switching to other pain medicines in Scotland, England, Denmark, and The Netherlands (2020) (8)
- Cost‐consequence analysis evaluating multifaceted clinical pharmacist intervention targeting patient transitions of care from hospital to primary care (2018) (7)
- Montelukast use—a 19-year nationwide drug utilisation study (2017) (7)
- Using the waiting time distribution with random index dates to estimate prescription durations in the presence of seasonal stockpiling (2020) (7)
- [Children prefer bottled amoxicillin]. (2010) (7)
- Antidepressant drug use and subdural hematoma risk (2020) (7)
- Empirical validation of the reverse parametric waiting time distribution and standard methods to estimate prescription durations for warfarin (2018) (7)
- Likelihood of reporting medication errors in hospitalized children: a survey of nurses and physicians (2018) (7)
- Ophthalmic nepafenac use in the Netherlands and Denmark (2017) (7)
- Diabetes Is Not Associated with the Risk of Rupture Among Patients with Abdominal Aortic Aneurysms - Results From a Large Danish Register Based Matched Case Control Study From 1996 to 2016. (2020) (6)
- Prescription duration and treatment episodes in oral glucocorticoid users: application of the parametric waiting time distribution (2017) (6)
- Qualitative exploration of practices to prevent medication errors in neonatal intensive care units: a focus group study (2018) (6)
- A review of the Ghana National Health Insurance Scheme claims database: possibilities and limits for drug utilization research (2018) (6)
- Antihistamine use and risk of ovarian cancer: A population-based case-control study. (2019) (6)
- Individual-level drug utilization analyses (2016) (6)
- Polypharmacy in elderly cancer patients. (2010) (6)
- [Danish drug consumption trends]. (2009) (6)
- Statin use and peripheral nerve function—A prospective follow‐up study (2020) (6)
- Outcome of revascularisation in stable coronary artery disease without ischaemia: a Danish registry-based follow-up study (2017) (6)
- External adjustment of unmeasured confounders in a case–control study of benzodiazepine use and cancer risk (2017) (6)
- Original article: High-dose metoclopramide + lorazepam versus low-dose metoclopramide + lorazepam + dehydrobenzperidol in the treatment of cisplatin-induced nausea and vomiting (1991) (6)
- Trends in the use of oral anticoagulants, antiplatelets and statins in four European countries: a population-based study (2021) (6)
- The Use of active Comparators in self-controlled Designs. (2021) (6)
- Use of low‐dose quetiapine increases the risk of major adverse cardiovascular events: results from a nationwide active comparator‐controlled cohort study (2022) (6)
- Patterns of finasteride use in the male populations of four Nordic countries: A cross-national drug utilization study (2016) (6)
- Re‐prescribing of causative drugs in persons discharged after serious drug‐induced upper gastrointestinal bleeding (2012) (6)
- Use of antibiotics for urinary tract infection in women undergoing surgery for urinary incontinence: a cohort study (2014) (5)
- The PARIS score can reliably predict 7-day all-cause mortality for both acute medical and surgical patients: an international validation study (2018) (5)
- Selective serotonin reuptake inhibitors and the risk of restless legs syndrome: a symmetry analysis (2020) (5)
- International Society for Pharmacoepidemiology (ISPE) statement on American Society of Clinical Oncology's new policy for relationships with companies (2014) (5)
- Feasibility Study of Advanced Cardiovascular Screening in Middle-Aged Patients with Diabetes (2020) (5)
- A model to predict the risk of aspirin/non‐steroidal anti‐inflammatory drugs‐related upper gastrointestinal bleeding for the individual patient (2019) (5)
- Role of NSAID use in inflammatory bowel disease. A 5-year follow-up study (2000) (5)
- Impact of EU regulatory label changes for diclofenac in people with cardiovascular disease in four countries: Interrupted time series regression analysis (2020) (5)
- Ischemic Stroke and Systemic Embolism in Warfarin Users With Atrial Fibrillation or Heart Valve Replacement Exposed to Dicloxacillin or Flucloxacillin (2020) (5)
- Reproducibility of real-world evidence studies using clinical practice data to inform regulatory and coverage decisions (2022) (5)
- Renin–Angiotensin System Blockers and Adverse Outcomes of Influenza and Pneumonia: A Danish Cohort Study (2020) (5)
- Bias in case‐crossover studies of medications due to persistent use: A simulation study (2020) (5)
- Inhaled Corticosteroids and Systemic or Topical Antifungal Therapy: A Symmetry Analysis (2017) (5)
- Sex differences in text-mined possible adverse drug events associated with drugs for psychosis (2020) (5)
- European commission consultation on pharmacovigilance (2008) (4)
- Minimizing misclassification of hormone users at mammography screening (2009) (4)
- Time for integrating clinical, lifestyle and molecular data to predict drug responses — Authors' reply (2016) (4)
- Using probability of drug use as independent variable in a register‐based pharmacoepidemiological cause‐effect study—An application of the reverse waiting time distribution (2017) (4)
- Incidence of Common Cancers in Users of Antimuscarinic Medications for Overactive Bladder: A Danish Nationwide Cohort Study (2018) (4)
- High-dose metoclopramide + lorazepam versus low-dose metoclopramide + lorazepam + dehydrobenzperidol in the treatment of cisplatin-induced nausea and vomiting. (1991) (4)
- Do educational meetings and group detailing change adherence to drug formularies in hospitals? A cluster randomized controlled trial (2014) (4)
- Loss of independence: a novel but important global marker of illness (2013) (4)
- [Successful implementation of pharmaceutical intervention at an acute medical admission unit]. (2011) (4)
- Association between diabetes and oncological outcomes in patients undergoing neoadjuvant chemo-radiotherapy for rectal cancer. (2019) (4)
- Where to begin? Thirty must‐read papers for newcomers to pharmacoepidemiology (2021) (4)
- Oral Immunosuppressive Treatment of Myasthenia Gravis in Denmark: A Nationwide Drug Utilization Study, 1996–2013 (2018) (4)
- Primary non-adherence in general practice: a Danish register study (2014) (4)
- Antibiotics active against Chlamydia do not reduce the risk of myocardial infarction (2005) (4)
- Incidence of Common Cancers in Users of Antimuscarinic Medications for Overactive Bladder: A Danish Nationwide Cohort Study (2018) (4)
- Outcome postponement as a potential patient centred measure of therapeutic benefit: examples in cardiovascular medicine (2018) (3)
- A study of cancer occurrence in users of mirabegron and antimuscarinic treatments for overactive bladder (2021) (3)
- Permanent user bias in case-Crossover studies in pharmacoepidemiology (2015) (3)
- Hypnotics' association with mortality or cancer: bias related to the study design and analysis (2012) (3)
- Cardiovascular Risk in Users of Mirabegron Compared with Users of Antimuscarinic Treatments for Overactive Bladder: Findings from a Non-Interventional, Multinational, Cohort Study (2021) (3)
- [Polypharmacy estimated by means of a population-based prescription database]. (1999) (3)
- Long-Term Risk of Skin Cancer and Lymphoma in Users of Topical Tacrolimus and Pimecrolimus: Final Results from the Extension of the Cohort Study Protopic Joint European Longitudinal Lymphoma and Skin Cancer Evaluation (JOELLE) (2021) (3)
- Bringing epidemiology into drug utilisation research (2003) (3)
- Non-vitamin K antagonist oral anticoagulants, proton pump inhibitors and gastrointestinal bleeds (2021) (3)
- Use of phthalate-containing prescription drugs and the risk of gastric cancer: a Danish nationwide case-control study (2019) (3)
- Association of Prior Intracerebral Hemorrhage With Major Adverse Cardiovascular Events (2022) (3)
- The International Society for Pharmacoepidemiology's Comments on the Core Recommendations in the Summary of the Heads of Medicines Agencies (HMA) ‐ EMA Joint Big Data Task Force (2019) (3)
- Use of Topical Tacrolimus and Topical Pimecrolimus in Four European Countries: A Multicentre Database Cohort Study (2018) (3)
- Conization and healthcare use: a population-based register study (2017) (3)
- Cardiovascular Risk in Users of Mirabegron Compared with Users of Antimuscarinic Treatments for Overactive Bladder: Findings from a Non-Interventional, Multinational, Cohort Study (2021) (3)
- Dynamics in diagnoses and pharmacotherapy before and after diagnosing idiopathic pulmonary fibrosis (2020) (3)
- A study of cancer occurrence in users of mirabegron and antimuscarinic treatments for overactive bladder (2021) (3)
- Association of Long-term Statin Use With the Risk of Intracerebral Hemorrhage (2022) (3)
- Use of Dicloxacillin and Risk of Pregnancy among Users of Oral Contraceptives (2018) (3)
- Postponement of Death by Pharmacological Heart Failure Treatment: A Meta-Analysis of Randomized Clinical Trials. (2020) (3)
- Outcome with invasive versus medical treatment of stable coronary artery disease: influence of perfusion defect size, ischaemia, and ejection fraction. (2016) (3)
- Is the shock index a universal predictor in the emergency department? A cohort study (2015) (3)
- Association of Statin Use and Oncological Outcomes After Neoadjuvant Radiotherapy in Patients With Rectal Cancer (2019) (3)
- Systemic hormone therapy and dementia: A nested case-control and co-twin control study. (2022) (3)
- Cardiovascular Risk in Users of Mirabegron Compared with Users of Antimuscarinic Treatments for Overactive Bladder: Findings from a Non-Interventional, Multinational, Cohort Study (2021) (3)
- Cardiovascular Risk in Users of Mirabegron Compared with Users of Antimuscarinic Treatments for Overactive Bladder: Findings from a Non-Interventional, Multinational, Cohort Study (2021) (3)
- Prophylactic anticoagulation with low molecular weight heparin in COVID-19: cohort studies in Denmark and Sweden (2022) (2)
- [Serious medication order errors at hospitals]. (2009) (2)
- Fluoroquinolones as a trigger for rupture of abdominal aortic aneurysm: A case‐crossover analysis (2021) (2)
- Oral anticoagulants in patients with atrial fibrillation at low stroke risk: a multicentre observational study (2022) (2)
- A Danish Nationwide Drug Utilization Study (2019) (2)
- Changing characteristics over time of individuals receiving COVID-19 vaccines in Denmark: A population-based descriptive study of vaccine uptake (2022) (2)
- Appendectomy and ulcerative colitis. Authors' reply (2005) (2)
- Use of dipeptidyl peptidase‐4 inhibitors and risk of splanchnic vein thrombosis: A Danish nationwide new‐user active comparator cohort study (2020) (2)
- Epidural Analgesia and Recurrence after Colorectal Cancer Surgery: A Danish Retrospective Registry-based Cohort Study (2022) (2)
- Drugs as risk factors for relapse of inflammatory bowel disease: Results of a case-control study (1998) (2)
- Randomised trial of telephone counselling to improve participants' adherence to prescribed drugs in a vascular screening trial (2020) (2)
- Association between gabapentinoids and oedema treated with loop diuretics: A pooled sequence symmetry analysis from the USA and Denmark (2022) (2)
- Disproportionality Analysis Used to Identify Patterns in Medication Error Reports Involving Hospitalized Children (2018) (2)
- Long term use of drugs affecting the renin-angiotensin system and the risk of cancer: a (2012) (2)
- Characteristics of New Users of Aclidinium Bromide, Aclidinium/Formoterol, and Other COPD Medications in the United Kingdom, Denmark, and Germany (2022) (2)
- Exposure to phthalate‐containing prescription drugs and the risk of colorectal adenocarcinoma: A Danish nationwide case‐control study (2019) (2)
- Impact of EMA regulatory label changes on hydroxyzine initiation, discontinuation and switching to other medicines in Denmark, Scotland, England and the Netherlands: An interrupted time series regression analysis (2021) (2)
- [Antabus treatment in general practice. A pharmaco-epidemiological study of prescription patterns based on a prescription database]. (1998) (2)
- Use of acid‐suppressive therapy before anti‐reflux surgery in 2922 patients: a nationwide register‐based study in Denmark (2015) (2)
- Risk of Renal Cell Carcinoma Associated with Calcium Channel Blockers (2020) (2)
- [Use of anti-thrombotic agents--monotherapy or combination and risk of upper gastrointestinal bleedings: a population-based case-control study. Secondary publication]. (2007) (2)
- Elevated Bladder and Prostate Cancer Rates Following Initiation of OAB Medication (2016) (2)
- Characteristics of New Users of Aclidinium Bromide, Aclidinium/Formoterol, and Other COPD Medications in the United Kingdom, Denmark, and Germany (2022) (2)
- Reply to ‘Evidence for harm, comment on . . .’ by Kripke & Langer. (2014) (2)
- Elevated Bladder and Prostate Cancer Rates Following Initiation of OAB Medication (2016) (2)
- Neuroleptic drug utilization in out-patients--a prescription database study. (1993) (2)
- Associations of low-dose aspirin or other NSAID use with prostate cancer risk in the Danish Diet, Cancer and Health Study (2019) (2)
- Use of beta-blockers and risk of serious upper gastrointestinal bleeding: a population-based case-control study (2017) (2)
- Does administration of vaginal estrogens increase the risk of venous thromboembolism: A case–control study (2021) (1)
- Utilization of Topical Tacrolimus and Topical Pimecrolimus in Europe: Results From The Joint European Longitudinal Lymphoma and Skin Cancer Evaluation (Joelle) Study (2016) (1)
- Epidural analgesia and postoperative complications in colorectal cancer surgery. An observational registry‐based study (2022) (1)
- [Antidepressive treatment in general practice--an interview study]. (1997) (1)
- [Big differences in the frequency of polypharmacy between physicians]. (2000) (1)
- case-control study gastrointestinal bleeding: population based therapy and risk of serious upper Use of single and combined antithrombotic (2006) (1)
- Adverse Drug Events With Antipsychotics—A Sex Difference (2017) (1)
- Sa1879 A Model to Assess the Risk for ASA/NSAID-Related Ulcer Bleeding for the Individual Patient Based on the Number of Risk Factors (2014) (1)
- Can the use of Computer Decision Support System prevent ulcer complication among patients treated with NSAID or Aspirin? A randomised controlled trial in General Practice (2017) (1)
- Online tool to create publication ready graphical depictions of longitudinal study design implemented in healthcare databases (2021) (1)
- 58Cancer risk in long-term users of Valproate: A population-based case-control study (2008) (1)
- [NSAID and ulcer complications. An analysis of risk factors]. (1997) (1)
- Inhalation anaesthesia compared with total intravenous anaesthesia and postoperative complications in colorectal cancer surgery: an observational registry-based study†. (2022) (1)
- Bottleneck analysis: Simple prediction of the precision of a planned case–control or cohort study based on healthcare registers (2021) (1)
- Drug-induced symptoms of functional dyspepsia. A sequence symmetry analysis of 1.5 million prescriptions (2000) (1)
- Methodological approaches for medication error analyses in patient safety and pharmacovigilance reporting systems: a scoping review protocol (2022) (1)
- Association Between Statin Use and Intracerebral Hemorrhage Location (2022) (1)
- Use of Antiepileptic Drugs and Risk of Infection in Taiwan and Denmark: A Collaborative Cross-National Sequence Symmetry Analysis (2013) (1)
- Relative occurrence and characteristics of type 1 versus type 2 myocardial infarction (2012) (1)
- Hormone Replacement Therapy Increases The Risk Of Cranial Meningioma (P3.325) (2014) (1)
- Use of symptom-relieving drugs before and after surgery for urinary incontinence in women: a cohort study (2013) (1)
- New Drug Interaction: Clopidogrel Associated with Paclitaxel Induced Neuropathy in Cancer Patients (2017) (1)
- Major Cardiovascular Events After Spontaneous Intracerebral Hemorrhage by Hematoma Location (2023) (1)
- Analysis of Antiemetic Use After Initiation of Hormone Therapy (2022) (1)
- High‐dose non‐sedating antihistamines are used insufficiently in chronic urticaria patients treated with omalizumab (2021) (1)
- Erratum: The Influence of Antidepressants on the Disease Course Among Patients With Crohn's Disease and Ulcerative Colitis-A Danish Nationwide Register-Based Cohort Study. (2019) (1)
- OP0191 All-cause mortality and cardiovascular death in hydroxychloroquine users in rheumatoid arthritis patients – a population based danish cohort study (2018) (1)
- Helicobacter pylori eradication surveillance in Denmark to prevent inappropriate use of antibiotics. Preliminary results from a nation-wide registration of all drug prescriptions (1995) (1)
- Continued potassium supplementation use following loop diuretic discontinuation in older adults: An evaluation of a prescribing cascade relic (2022) (1)
- Can the Use of Computer Decision Support System Prevent Complicated Ulcer among Patients Treated with NSAID or Aspirin? A Randomised Controlled Trial in General Practice (2017) (1)
- Prevalence and quality of antihypertensive therapy among hypertension patients enrolled in the Ghana National Health Insurance Scheme (2021) (1)
- Using the Case-crossover Design to Assess Short-term Risks of Bleeding and Arterial Thromboembolism Following Switching Between Oral Anticoagulants in a Population-based Cohort of Atrial Fibrillation Patients. (2020) (1)
- Long-term mortality among patients with community acquired severe sepsis and septic shock (2012) (1)
- Statin use and risk of exacerbations in individuals with COPD: The Copenhagen general population study (2014) (1)
- Syddansk Universitet Identification of Associations Between Prescribed Medications and Cancer A Nationwide Screening (2016) (1)
- Abnormal cervical cytology and health care use: a population-based register study. (2015) (1)
- Use of chlorprothixene and the risk of diabetes and major adverse cardiovascular events: A nationwide cohort study (2022) (1)
- Mortality in type 1 vs. type 2 myocardial infarction (2013) (1)
- [Poisoning with the death cap (Amanita phalloides)]. (1988) (1)
- Use of prescription drugs among women diagnosed with epithelial ovarian cancer in Denmark (2018) (1)
- Do acutely admitted medical patients comply with the Appropriateness Evaluation Protocol? (2010) (1)
- Lithium and the risk of chronic kidney disease: A population‐based case–control study (2022) (1)
- Comparison of cardiovascular events among treatments for overactive bladder: a Danish nationwide cohort study (2017) (0)
- Methodology of the brodalumab assessment of hazards: a multicentre observational safety (BRAHMS) study (2023) (0)
- Hormonal contraceptive use and risk of glioma among younger women : 1 a nationwide case-control study 1 2 Running title : Hormonal contraceptive use and glioma risk 3 (2014) (0)
- Associations of low-dose aspirin or other NSAID use with prostate cancer risk in the Danish Diet, Cancer and Health Study (2019) (0)
- Increased Risk of Skin Cancer in Myasthenia Patients Treated with Azathioprine: A Nationwide Case-Control Study in Denmark (P02.192) (2013) (0)
- [Is the use of selective serotonin reuptake inhibitors associated with an increased risk of bleeding?]. (2006) (0)
- 20 years of major and minor malformations in Danish Health Registries: A descriptive study (2019) (0)
- The influence of hospital drug formulary policies on the prescribing patterns of proton pump inhibitors in primary care (2014) (0)
- Hospital Physicians' Influence on Gastrointestinal Protection during Treatment with Non-Steroidal Anti-Inflammatory Drugs and Acetylsalicylic Acid and the Impact on Prescribing in Primary Care (2013) (0)
- Erratum to: Physicians’ and pharmacies’ overview of patients’ medication. An analysis of fidelity coefficients (2011) (0)
- Sampling in the case‐time‐control design among drug users when outcome prevents further treatment (2022) (0)
- Adherence problems identified by motivational interviewing and medication review in stroke patients (2013) (0)
- Can biochemical analyses risk stratify acutely admitted medical patients: an external validation of two existing systems (2012) (0)
- Do educational meetings and group detailing change adherence to drug formularies in hospitals? A cluster randomized controlled trial (2013) (0)
- University of Southern Denmark Impact of Urate Level on Cardiovascular Risk in Allopurinol Treated Patients . A Nested Case-Control Study (2016) (0)
- CLEP_A_311450 569..579 (2021) (0)
- ANTIDEPRESSANT USERS AND ANTIDEPRESSANT CONSUMPTION OUTSIDE HOSPITALS IN ODENSE (207,000 INHABITANTS); A POPULATION STUDY. (1992) (0)
- A new likelihood model for analyses of pharmacoepidemiologic case–control studies which avoids decision rules for determining latent exposure status (2020) (0)
- Danish ADHD data sets. (2014) (0)
- University of Southern Denmark The Influence of Antidepressants on the Disease Course Among Patients With Crohn's Disease and Ulcerative Colitis-A Danish Nationwide Register-Based Cohort Study (2019) (0)
- Impact of Lifestyle and Socioeconomic Position on the Association Between Non-steroidal Anti-inflammatory Drug Use and Major Adverse Cardiovascular Events: A Case-Crossover Study. (2023) (0)
- Trends in the use of oral anticoagulants, antiplatelets and statins in four European countries: a population-based study (2021) (0)
- Free‐of‐charge dispensing of antipsychotics for schizophrenia in Denmark: Impact on the nationwide prescription registry and redemption of somatic medications (2022) (0)
- Randomised trial of switching from prescribed non-selective non-steroidal anti-inflammatory drugs to prescribed celecoxib (2016) (0)
- Reply to M. Nayan et al. (2017) (0)
- National registries as a catalyst to development of diabetes care in low-income and middle-income countries (2021) (0)
- Use of self-controlled designs in pharmacoepidemiology Running head : Self-controlled designs (2014) (0)
- Use of antibiotics against urinary tract infections and risk of bladder cancer: a Danish nationwide case-control study (2019) (0)
- Psychopharmacological treatment patterns prior to a schizophrenia diagnosis: A Danish nationwide study (2022) (0)
- Re: "Association Between Thionamides and Acute Pancreatitis: A Case-Control Study" by Guo et al. (2020) (0)
- Impact of H pylori eradication on use of antisecretory medication among peptic ulcer patients (2003) (0)
- Nested case-control study of antidepressant drug use and subdural hematoma risk (2019) (0)
- Use of Antiepiæeptic Drugs in the County of Funen, Denmark in 1993-2002. (2004) (0)
- [Prescriptions of a new antibiotic following treatment with sulfamethizole or pivmecillinam]. (2003) (0)
- #4246: Use of low-dose quetiapine and the risk of diabetes: A nation-wide cohort study using a high-dimensional propensity score (2020) (0)
- [Fenoterol and asthma mortality]. (1992) (0)
- Long term use of drugs affecting the reninangiotensin system and the risk of cancer: a populationbased casecontrol study (2012) (0)
- Hormone replacement therapy increases the risk of intracranial meningioma (2014) (0)
- [Use of multiple antipsychotics simultaneously and the risk of death]. (2007) (0)
- Proton pump inhibitor use and cognitive decline: a follow-up study in middle-aged and elderly Danish twins (2017) (0)
- PHARMACOEPIDEMIOLOGY AND PRESCRIPTION (1997) (0)
- P720 Use of proton pump inhibitors associated with a markedly increased risk of microscopic colitis. (2017) (0)
- Identifying diabetogenic drugs using real world health care databases: A Danish and Australian symmetry analysis (2023) (0)
- [Reliability of medication errors]. (2006) (0)
- Angiotensin II receptor blockers are safe in patients with prior angioedema related to angiotensin converting enzyme inhibitors a nationwide registrybased cohort study (2018) (0)
- University of Southern Denmark Use of phthalate-containing prescription drugs and the risk of gastric cancer a Danish nationwide case-control study (2019) (0)
- Use of benzodiazepines and benzodiazepine‐related drugs in the Nordic countries between 2000 and 2020 (2022) (0)
- The use of medication against attention deficit/hyperactivity disorder in Denmark: a drug use study from a patient perspective (2012) (0)
- Frequency and prognosis of unstable angina pectoris in the era of the universal definition: a clinical cohort study (2014) (0)
- Self-controlled studies and symmetry approach (2021) (0)
- 456Risk of arterial calcification by conventional vitamin K antagonist treatment (2019) (0)
- OP-JNCI190233 1..4 (2020) (0)
- Using active comparators in self‐controlled studies (2019) (0)
- Medication incidents and medication errors in Danish healthcare: A descriptive study based on medication incident reports from the Danish Patient Safety Database, 2014–2018 (2023) (0)
- OP08 Explaining trends in coronary heart disease mortality and socioeconomic inequalities in denmark 1991–2007: impactsec model analysis using routine data (2017) (0)
- [Malaria in the county of Funen 1987-1999]. (2002) (0)
- Postponement of cardiovascular outcomes by statin use: A systematic review and meta‐analysis of randomized clinical trials (2020) (0)
- The risk of fragility fractures following initiation of gabapentin and pregabalin—A Danish, nationwide, high‐dimensional propensity score‐matched cohort study (2022) (0)
- Low-dose aspirin or other nonsteroidal anti-inflammatory drug use and prostate cancer risk: a nationwide study (2016) (0)
- RE: Gout and sodium‐glucose cotransporter‐2 inhibitors (2021) (0)
- Prognosis in patients having the diagnosis of myocardial infarction made during admission to a non-cardiology department (2013) (0)
- Recommendations on the calculation of confidence intervals for sequence symmetry analyses (2022) (0)
- Long-acting inhalation treatment and the risk of urinary tract infection – a symmetry analysis (2018) (0)
- Facing the Issue of Drug Interactions in Elderly Depressed Patients (1998) (0)
- Statins and polyneuropathy revisited (2016) (0)
- [Individual-based statistics on drug utilization]. (1996) (0)
- Confounding by Indication in Drug-Cancer Association Studies: A Nested Case-Control Study of the Association between Calcium Channel Blockers and Renal Cell Carcinoma (2019) (0)
- Letter to the Editor Reply in response to “COVID-19 mortality – The culprit may not be proton pump inhibitors” (CGH-D-21-01887) (2021) (0)
- LBA50 - Influence of concomitant clopidogrel consumption on development of paclitaxel-associated toxicity: A pharmacoepidemiological study (2016) (0)
- The Influence of hospitalisation on drug therapy in elderly patients. A longitudinal study of continuation across primary and secondary care (2012) (0)
- Syddansk Universitet Is urate crystal precipitation a predictor of cardiovascular risk in hyperuricemic patients ? (2015) (0)
- Open Research Online Control Yourself: ISPESponsored Guidance in the Application of SelfControlled Study Designs in Pharmacoepidemiology (2022) (0)
- Retinoids are not linked to risk of multiple sclerosis: A Danish nationwide cohort study (2021) (0)
- Abstract 13154: Cardiovascular Risk in Users of Mirabegron Relative to Users of Antimuscarinic Treatments for Overactive Bladder: Findings From a Non-interventional, Real-world Data Safety Study (2020) (0)
- Characteristics of new users of aclidinium, aclidinium/formoterol, and other COPD medications in three European countries (2020) (0)
- Long-term use of antiplatelet drugs by stroke patients: a follow-up study based on prescription register data (2012) (0)
- Erratum to 'Inhalation anaesthesia compared with total intravenous anaesthesia and postoperative complications in colorectal cancer surgery: an observational registry-based study' (Br J Anaesth 2022; 129: 416-426). (2022) (0)
- Observational Studies (2003) (0)
- Impact of urate level on cardiovascular risk in allopurinol-treated patients: A nested case-control study (2015) (0)
- CLEP_A_331287 1141..1153 (2021) (0)
- Long-term use of antiplatelet drugs by patients with transient ischaemic attack (2013) (0)
- Deviant Patterns of Methylphenidate Use in Adults: Displayed at NorPEN in Oslo, 2014 (2014) (0)
- Impact of European medicines agency regulatory action on hydroxyzine initiation, discontinuation and switching to other medicines in Scotland, England, Denmark and the Netherlands: An Interrupted time series regression analysis (2020) (0)
- Prognostic importance of cardiac troponin in the era of the universal definition: observations from an unselected hospital cohort (2014) (0)
- Challenges in classification of astma sevirity form priescription data (2009) (0)
- The influence of comprehensive geriatric assessment on drug therapy in elderly patients (2013) (0)
- The Presence of Diabetes is not Associated with Lower Risk of Ruptured Abdominal Aortic Aneurysms – results From a Large Register-based Matched Case-control Study From 1996-2016 (2019) (0)
- Re: The use of low-dose quetiapine does not necessarily increase the risk of major adverse cardiovascular events. (2023) (0)
- Drug Use and Comorbidity in Elderly Danish Cancer Patients (2009) (0)
- CP-120 Do educational meetings and group detailing change adherence to drug formularies in hospitals? A cluster randomised controlled trial (2014) (0)
- Use of antiepileptic drugs and risk of infection in Taiwan and Denmark: Displayed at ICPE in Montreal, 2013. (2013) (0)
- THE EFFECT OF LOW DOSE SPIRONOLACTONE ON RESISTANT HYPERTENSION: PP.33.332 (2010) (0)
- Identification of Drug–Cancer Associations: A Nationwide Screening Study (2022) (0)
- Defining hypotension in the emergency department and in the pre-hospital setting: A hospital-based cohort study (2015) (0)
- University of Southern Denmark Baseline findings of the population-based, randomized, multifaceted Danish cardiovascular screening trial (DANCAVAS) of men aged 65-74 years Lindholt, (2019) (0)
- Children’s Relative Age in Class and Stimulant Drug Use for ADHD (2013) (0)
- 14 Does aspirin effect the risk of prostate cancer – a population-based study (2015) (0)
- PD44-10 A STUDY OF CANCER OCCURRENCE IN USERS OF MIRABEGRON AND ANTIMUSCARINIC TREATMENTS FOR OVERACTIVE BLADDER (2020) (0)
- 303 Can Nursing Staff and Junior Physicians Accurately Predict the Risk of In-Hospital Mortality of Acutely Admitted Medical Patients: An Observational Cohort Study (2011) (0)
- Hormone replacement therapy increases the risk of intracranial meningeoma (2014) (0)
- Use of antisecretory medication one year before and one year after heucobacter pylori eradication (2000) (0)
- The epidemiology of opioid treatment in a population-based cohort of cancer patients. (2004) (0)
- Long-term mortality among patients with community acquired severe sepsis and septic shock (2012) (0)
- The association between treatment with systemic prednisolone and antipsychotic treatment - a symmetry analysis (2019) (0)
- Concurrent use of tramadol and oral vitamin K antagonists and the risk of excessive anticoagulation: a register-based nested case–control study (2012) (0)
- The use of medication against attention deficit hyperactivity disorder in Denmark: a drug use study from a national perspective (2012) (0)
- Current controversies in pharmacoepidemiology. (2006) (0)
- P6256Adherence to prescribed drugs among 65-74 years old men diagnosed with abdominal aortic aneurysm or peripheral arterial disease in a randomized screening trial. A VIVA substudy (2018) (0)
- Development and Validation of a Nordic Multimorbidity Index Based on Hospital Diagnoses and Filled Prescriptions (2022) (0)
- H. pylori and risk of ulcer bleeding among users of NSAIDs (2000) (0)
- CPC-007 Adherence Problems Identified by Motivational Interviewing and medicines Review in Stroke Patients (2013) (0)
- Erratum to: Physicians’ and pharmacies’ overview of patients’ medication. An analysis of fidelity coefficients (2011) (0)
- Cervical cancer survivors and health care use: A Danish population-based register study. (2021) (0)
- Response to the Letter: "Epidemiologic Association Between Antibiotic Use With the Risk of Developing Type 2 Diabetes" by López-Hernández, D. (2015) (0)
- AB0921 Impact of Urate Level on Cardiovascular Risk in Allopurinol Treated Patients. A Nested Case Control Study (2015) (0)
- Using multiple random index dates with the reverse waiting time distribution improves precision of estimated prescription durations (2021) (0)
- Individualised medication adherence program for hypertension patients (2013) (0)
- Selective serotonin reuptake inhibitors and the risk of restless legs syndrome: a symmetry analysis (2020) (0)
- Comparative effectiveness of heterologous booster schedules with AZD1222, BNT162b2, or mRNA-1273 vaccines against COVID-19 during omicron predominance in the Nordic countries (2022) (0)
- Cox regression using a calendar time scale was unbiased in simulations of COVID-19 vaccine effectiveness & safety (2023) (0)
- [Christmas article: CO2 footprint of lactulose in Scandinavia]. (2019) (0)
- Significance of age and comorbidity on treatment modality, treatment adhesion and prognosis in ovarian cancer patients (2012) (0)
- Long-term mortality in patients with ST-elevation vs. non-ST-elevation acute myocardial infarction: a real world clinical scenario (2013) (0)
- CLEP_A_246636 447..455 (2020) (0)
- Hormone Replacement Therapy and Risk of Glioma: A Nationwide Nested Case-Control Study (P7.266) (2014) (0)
- P1531Baseline findings of the population-based, randomized danish cardiovascular screening trial (DANCAVAS) (2018) (0)
- Can biochemical analyses risk stratify acutely admitted medical patients: an external validation of two existing systems (2012) (0)
- HIGHLIGHTS d Type of Research : Nested case-control study of a nationwide (2017) (0)
- The association between diabetes and abdominal aortic aneurysms in men: results of two Danish screening studies, a systematic review, and a meta-analysis of population-based screening studies (2023) (0)
- Chronic use of lithium is safe with regard to the development of kidney and urinary tract cancers (2015) (0)
- Erratum (1936) (0)
- Editorial: anti‐secretory therapy prior to anti‐reflux surgery. Does dose matter? Authors’ reply (2015) (0)
- Original Contribution Using the Case-Crossover Design to Assess Short-Term Risks of Bleeding and Arterial Thromboembolism After Switching Between Oral Anticoagulants in a Population-Based Cohort of Patients With Atrial Fibrillation (2020) (0)
- Dynamics of diagnoses and pharmacotherapy before and after diagnosing idiopathic pulmonary fibrosis (2020) (0)
- Combined Antithrombotic Therapy Increases Risk of Gastrointestinal Bleeding (2007) (0)
- 684 Gastrointestinal Events and Adverse Reactions on Selective and Non Selective Cyclooxygenase Inhibitors in the Large Randomised Controlled SCOT Trial (2016) (0)
- Follow-up after hospitalisation with pneumonic versus non-pneumonic exacerbation of COPD (2007) (0)
- Syddansk Universitet Use of beta-blockers and risk of serious upper gastrointestinal bleeding a population-based case-control study (2017) (0)
- Impact of low‐dose quetiapine‐use on glycosylated hemoglobin, triglyceride and cholesterol levels (2022) (0)
- Adherence to hospital drug formularies and cost of drugs in hospitals in Denmark (2013) (0)
- Risk stratification of acutely admitted medical patients (2011) (0)
- Use of exenatide and liraglutide in Denmark: a drug utilization study (2013) (0)
- Postmenopausal hormone therapy and mortality before and after the Women’s Health Initiative study (2023) (0)
- Multifaceted medication adherence intervention for patients with hypertension in secondary care (2015) (0)
- Syddansk Universitet Impact of Urate Level on Cardiovascular Risk in Allopurinol Treated Patients . A Nested Case-Control (2016) (0)
- P63 Drug use among elderly Danish cancer patients (2009) (0)
- Troponin elevations following unselected invasive cardiac procedures: Mortality in patients without myocardial infarction (2014) (0)
- Many women needlessly take cholesterol-lowering drugs (2019) (0)
- University of Southern Denmark Randomized trial of switching from prescribed non-selective non-steroidal anti-inflammatory drugs to prescribed celecoxib (2017) (0)
- Modelling of Outcome Postponement for Cardiovascular Outcomes in Statin Trials (2017) (0)
- PD44-10 A STUDY OF CANCER OCCURRENCE IN USERS OF MIRABEGRON AND ANTIMUSCARINIC TREATMENTS FOR OVERACTIVE BLADDER (2020) (0)
- Presenting symptoms in type 1 vs. type 2 myocardial infarction: A prospective study (2015) (0)
- [National surveillance of Helicobacter pylori eradication in Denmark. Results based on registration of 34.582 drug prescriptions]. (1999) (0)
- Influence of Perfusion Defects on Survival after Coronary Revascularization (2012) (0)
- Comparison of cardiovascular events among treatments for overactive bladder: a Danish nationwide cohort study (2017) (0)
- FRI0096 Is side effects and treatment response to methotrexate associated to comorbidity in early rheumatoid arthritis (2018) (0)
- Agomelatine and other antidepressants and the risk of acute liver injury (ALI), a post authorisation safety study (PASS) in four European countries (2018) (0)
- 791 Use of Selective Serotonin Receptor Inhibitors (SSRIs) Is Not Associated With Increased Risk of Endoscopy-Refractory Bleeding, Rebleeding or Mortality in Patients With Peptic Ulcer Bleeding (2016) (0)
- British Medical Journal (1922) (0)
- Enough Power to Build a Strong Case for Clinical Pharmacy Services?-Reply. (2018) (0)
- Analysis of registry-based case-control studies with a joint exposure and outcome model based on the reverse waiting time distribution (2018) (0)
- Abstract 13154: Cardiovascular Risk in Users of Mirabegron Relative to Users of Antimuscarinic Treatments for Overactive Bladder: Findings From a Non-interventional, Real-world Data Safety Study (2020) (0)
- Syddansk Universitet Use of N-nitrosodimethylamine ( NDMA ) contaminated valsartan products and risk of cancer Danish nationwide cohort study (2018) (0)
- 766 Statin use and prostate cancer mortality (2016) (0)
- Risk and Course of SARS-CoV-2 Infection in Hypo- and Hyperthyroidism: A Danish Population Based Case-Control and Cohort Study (2020) (0)
- Modelling of endpoint postponement for all-cause mortality in statin trials (2015) (0)
- Baseline Findings in the Danish Cardiovascular Screening (Dancavas) Trial – A Multifaceted and Multicenter Randomized Controlled Clinical Screening and Interventional Trial of 65–74 Year Old Men (2019) (0)
- Most prevalent conditions causing troponin elevations in an unselected hospital cohort without myocardial infarction (2014) (0)
- Do antidepressant agents influence the course of disease among patients with inflammatory bowel disease? - a Danish nationwide prospective cohort study (oral presentation) (2017) (0)
- Montelukast use—a 19-year nationwide drug utilisation study (2017) (0)
- Evaluating signals generated in a large-scale sequence symmetry analyses: macrolides and heart failure; and NSAIDs and pneumonia (2020) (0)
- INT-015 Side-effects and treatment response to methotrexate associated with comorbidity in early rheumatoid arthritis (2018) (0)
- [Eradication of Helicobacter pylori and use of antisecretory drugs--a population based study]. (2004) (0)
- University of Southern Denmark Phthalate exposure from drugs during pregnancy and possible risk of preterm birth and small for gestational age Broe, (2019) (0)
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What Schools Are Affiliated With Jesper Hallas?
Jesper Hallas is affiliated with the following schools: