| # | Title | Journal | Year | Citations |
|---|
| 1 | The Danish National Patient Registry: a review of content, data quality, and research potential | Clinical Epidemiology | 2015 | 3,029 |
| 2 | The Danish Civil Registration System as a tool in epidemiology | European Journal of Epidemiology | 2014 | 2,376 |
| 3 | The Danish National Prescription Registry | Scandinavian Journal of Public Health | 2011 | 1,859 |
| 4 | Prognosis of Cancers Associated with Venous Thromboembolism | New England Journal of Medicine | 2000 | 1,443 |
| 5 | The predictive value of ICD-10 diagnostic coding used to assess Charlson comorbidity index conditions in the population-based Danish National Registry of Patients | BMC Medical Research Methodology | 2011 | 970 |
| 6 | Long-term Consequences of Postoperative Cognitive Dysfunction | Anesthesiology | 2009 | 826 |
| 7 | <p>The Danish health care system and epidemiological research: from health care contacts to database records</p> | Clinical Epidemiology | 2019 | 732 |
| 8 | Data Resource Profile: The Danish National Prescription Registry | International Journal of Epidemiology | 2017 | 649 |
| 9 | Vagotomy and subsequent risk of Parkinson's disease | Annals of Neurology | 2015 | 625 |
| 10 | Modified Mediterranean diet and survival: EPIC-elderly prospective cohort study | BMJ: British Medical Journal | 2005 | 614 |
| 11 | Positive predictive value of cardiovascular diagnoses in the Danish National Patient Registry: a validation study | BMJ Open | 2016 | 574 |
| 12 | Missing data and multiple imputation in clinical epidemiological research | Clinical Epidemiology | 2017 | 567 |
| 13 | Study design, exposure variables, and socioeconomic determinants of participation in Diet, Cancer and Health: A population-based prospective cohort study of 57,053 men and women in Denmark | Scandinavian Journal of Public Health | 2007 | 532 |
| 14 | Diabetes in Sub Saharan Africa 1999-2011: Epidemiology and public health implications. a systematic review | BMC Public Health | 2011 | 439 |
| 15 | The Danish Medical Birth Register | European Journal of Epidemiology | 2018 | 432 |
| 16 | The impact of comorbidity on cancer survival: a review | Clinical Epidemiology | 2013 | 417 |
| 17 | Clinical course of alcoholic liver cirrhosis: A Danish population-based cohort study | Hepatology | 2010 | 407 |
| 18 | Risk of Venous Thromboembolism in Patients With Liver Disease: A Nationwide Population-Based Case–Control Study | American Journal of Gastroenterology | 2009 | 385 |
| 19 | 25 year trends in first time hospitalisation for acute myocardial infarction, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity: a Danish nationwide cohort study | BMJ: British Medical Journal | 2012 | 377 |
| 20 | Venous thromboembolism and subsequent hospitalisation due to acute arterial cardiovascular events: a 20-year cohort study | Lancet, The | 2007 | 354 |
| 21 | Use of Glucocorticoids and Risk of Venous Thromboembolism | JAMA Internal Medicine | 2013 | 349 |
| 22 | Chronic Pancreatitis and Pancreatic Cancer Risk: A Systematic Review and Meta-analysis | American Journal of Gastroenterology | 2017 | 349 |
| 23 | 2-Year Clinical Outcomes After Implantation of Sirolimus-Eluting, Paclitaxel-Eluting, and Bare-Metal Coronary Stents | Journal of the American College of Cardiology | 2009 | 316 |
| 24 | Existing data sources for clinical epidemiology: The Danish National Database of Reimbursed Prescriptions | Clinical Epidemiology | 2012 | 308 |
| 25 | Effect of General Anesthesia and Conscious Sedation During Endovascular Therapy on Infarct Growth and Clinical Outcomes in Acute Ischemic Stroke | JAMA Neurology | 2018 | 306 |
| 26 | Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study | BMJ, The | 2021 | 298 |
| 27 | Hospitalisation for venous thromboembolism in cancer patients and the general population: a population-based cohort study in Denmark, 1997–2006 | British Journal of Cancer | 2010 | 297 |
| 28 | Fruit and vegetable intake and the risk of stomach and oesophagus adenocarcinoma in the European Prospective Investigation into Cancer and Nutrition (EPIC–EURGAST) | International Journal of Cancer | 2006 | 292 |
| 29 | Ischemic Heart Disease in HIV-Infected and HIV-Uninfected Individuals: A Population-Based Cohort Study | Clinical Infectious Diseases | 2007 | 290 |
| 30 | The first results from the Danish ACL reconstruction registry: epidemiologic and 2 year follow-up results from 5,818 knee ligament reconstructions | Knee Surgery, Sports Traumatology, Arthroscopy | 2009 | 288 |
| 31 | Incidence and Outcome After Revision Anterior Cruciate Ligament Reconstruction | American Journal of Sports Medicine | 2012 | 287 |
| 32 | Chronic respiratory disease, inhaled corticosteroids and risk of non-tuberculous mycobacteriosis | Thorax | 2013 | 280 |
| 33 | Venous thromboembolism in cancer patients: a population-based cohort study | Blood | 2021 | 277 |
| 34 | Risk of Hospitalization for Myocardial Infarction Among Users of Rofecoxib, Celecoxib, and Other NSAIDs | Archives of Internal Medicine | 2005 | 274 |
| 35 | Next-Generation Stool DNA Test Accurately Detects Colorectal Cancer and Large Adenomas | Gastroenterology | 2012 | 269 |
| 36 | A population-based cohort study of rheumatoid arthritis-associated interstitial lung disease: comorbidity and mortality | Annals of the Rheumatic Diseases | 2017 | 263 |
| 37 | Colorectal cancer in ulcerative colitis: a Scandinavian population-based cohort study | Lancet, The | 2020 | 262 |
| 38 | Cancer risk among statin users: A population-based cohort study | International Journal of Cancer | 2005 | 254 |
| 39 | 30-Year Mortality After Venous Thromboembolism | Circulation | 2014 | 252 |
| 40 | Diabetes, Glycemic Control, and Risk of Hospitalization With Pneumonia | Diabetes Care | 2008 | 251 |
| 41 | Ethical aspects of registry-based research in the Nordic countries | Clinical Epidemiology | 2015 | 250 |
| 42 | Mediterranean dietary pattern and cancer risk in the EPIC cohort | British Journal of Cancer | 2011 | 248 |
| 43 | Pneumococcal Serotypes and Mortality following Invasive Pneumococcal Disease: A Population-Based Cohort Study | PLoS Medicine | 2009 | 245 |
| 44 | Improved long-term clinical outcomes in patients with ST-elevation myocardial infarction undergoing remote ischaemic conditioning as an adjunct to primary percutaneous coronary intervention | European Heart Journal | 2014 | 244 |
| 45 | Increasing risk of prosthetic joint infection after total hip arthroplasty | Monthly Notices of the Royal Astronomical Society: Letters | 2012 | 242 |
| 46 | Hypercoagulability in cirrhosis: causes and consequences | Journal of Thrombosis and Haemostasis | 2011 | 241 |
| 47 | Diagnostic Performance of In‐Procedure Angiography‐Derived Quantitative Flow Reserve Compared to Pressure‐Derived Fractional Flow Reserve: The FAVOR II Europe‐Japan Study | Journal of the American Heart Association | 2018 | 240 |
| 48 | Selective serotonin reuptake inhibitors during pregnancy and risk of persistent pulmonary hypertension in the newborn: population based cohort study from the five Nordic countries | BMJ: British Medical Journal | 2011 | 232 |
| 49 | Guidelines for Physical Activity During Pregnancy | American Journal of Lifestyle Medicine | 2014 | 230 |
| 50 | Stent Thrombosis, Myocardial Infarction, and Death After Drug-Eluting and Bare-Metal Stent Coronary Interventions | Journal of the American College of Cardiology | 2007 | 229 |
