Clinical Epidemiology

Papers
(The TQCC of Clinical Epidemiology is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)
ArticleCitations
Associations Between Self-Rated Health and Mortality in the Norwegian Women and Cancer (NOWAC) Study313
Prognostic Factors and a Nomogram Predicting Survival in Patients with Breast Ductal Carcinoma in situ with Microinvasion: A Population-Based Study88
Adaptation of the Charlson Comorbidity Index for Register-Based Research in Sweden [Corrigendum]47
Seasonal Effects on Hospitalizations Due to Mood and Psychotic Disorders: A Nationwide 31-Year Register Study47
Treatment of Proximal Humeral Fractures in Older Patients During COVID-19 Pandemic in Germany44
The Epidemiology, Treatment Patterns and Economic Burden of Different Phenotypes of Multiple Sclerosis in Italy: Relapsing-Remitting Multiple Sclerosis and Secondary Progressive Multiple Sclerosis42
Existing Data Sources for Clinical Epidemiology: Database of the National Hospital Organization in Japan41
Mental Health Disorders in Patients with Inflammatory Bowel Disease Onset in Childhood or Youth – A Nationwide Cohort Study from Denmark41
Risk of Venous Thromboembolism in Statin Users Compared to Fibrate Users in the United Kingdom Clinical Practice Research Datalink (UK CPRD) GOLD40
Recording of Alcohol Use Disorder in Electronic Health Records: Developing a Recommended Codelist for Research38
Temporary Increased LDL-C in Offspring with Extreme Elevation of Maternal Preconception Estradiol: A Retrospective Cohort Study36
Data-Driven Identification of Long-Term Glycemia Clusters and Their Individualized Predictors in Finnish Patients with Type 2 Diabetes35
Tipping Points – Do the Prognostic Values of Multimorbidity and Functional Status Vary with Age?34
Prediagnostic Serum-25 Hydroxyvitamin D and Mortality Among Bladder Cancer Patients in the Janus Serum Bank Cohort: Answer to a Short Comment [Response to Letter]33
Hospitalization Endpoint in Clinical Trials of Outpatient Settings: using Anti-SARS-COV-2 Therapy as an Example30
Cross-Regional Data Initiative for the Assessment and Development of Treatment for Neurological and Mental Disorders30
Registration of Amyotrophic Lateral Sclerosis: Validity in the Danish National Patient Registry29
Lipid Testing Trends Before and After Hospitalization for Myocardial Infarction Among Adults in the United States, 2008–201927
Burden of Gastrointestinal Tumors in Asian Countries, 1990–2021: An Analysis for the Global Burden of Disease Study 202127
High Validity of the Danish National Patient Registry for Systemic Anticancer Treatment Registration from 2009 to 201925
Agreement Between Standard and ICD-10-Based Injury Severity Scores23
Association of Perceived Social Support with Viral Suppression Among Young Adults with Perinatally-Acquired HIV in the US-based Pediatric HIV/AIDS Cohort Study (PHACS)23
The Impact of the COVID-19 Pandemic on Incidence and Short-Term Survival for Common Solid Tumours in the United Kingdom: A Cohort Analysis23
Modeling the Transmission Dynamics of COVID-19 Among Five High Burden African Countries22
β2-Adrenoceptor Agonists in Asthma or Chronic Obstructive Pulmonary Disease and Risk of Parkinson’s Disease: Nested Case-Control Study22
Maternal Multiple Sclerosis and Health Outcomes Among the Children: A Systematic Review22
Does a Code for Acute Myocardial Infarction Mean the Same in All Norwegian Hospitals? A Likelihood Approach to a Medical Record Review21
Estimation of Risk of Death Attributable to Acute Gastroenteritis Not Caused by Clostridioides difficile Infection Among Hospitalized Adults in England20
The DIAbetes MANagement and Treatment (DIAMANT) Cohort20
Genetically Predicted Serum Albumin and Risk of Colorectal Cancer: A Bidirectional Mendelian Randomization Study19
Beneficial Effect of Toxoplasma gondii Infection on the Prognosis of Breast Cancer Was Modified by Cytokines19
Identifying Individual Medications Affecting Pulmonary Outcomes When Multiple Medications are Present19
Work Disability and Return to Work After Lymphoma: A Danish Nationwide Cohort Study19
A Novel Chronic Kidney Disease Phenotyping Algorithm Using Combined Electronic Health Record and Claims Data19
Cohort Profile: Better Health in Late Life18
Screening History and 7-Year Survival in 32,099 Colorectal Cancer Patients: A Population-Based Cohort Study [Response to Letter]18
Cancer Survival Trends in Southeastern China, 2011–2021: A Population-Based Study17
Large Burden of Stroke Incidence in People with Cardiac Disease: A Linked Data Cohort Study17
Incidence of Carpal Tunnel Syndrome Requiring Surgery May Increase in Patients Treated with Trigger Finger Release: A Retrospective Cohort Study16
Extracting Systemic Anticancer Treatment Lines from the Danish National Patient Registry for Solid Tumour Patients Treated in the North Denmark Region Between 2009 and 201916
The Danish Diabetes Musculoskeletal Cohort: Non-Responder Analysis of an Electronic Survey Using Registry Data15
Initiation of Medical Therapy for Heart Failure Patients According to Kidney Function: A Danish Nationwide Study15
Evaluation of Left Truncation and Censoring When Changing the Use of the International Classification of Diseases Eighth Revision Codes to Tenth Revision Codes in the Danish National Patient Registry14
Estimating the Future Burden of Myocardial Infarction in France Until 2035: An Illness-Death Model-Based Approach14
Incidence of Graves’ Disease with Validation and Completeness of the Diagnosis for Registry Extracts in the Danish National Patient Register14
Second Primary Cancers After Liver, Gallbladder and Bile Duct Cancers, and These Cancers as Second Primary Cancers14
Positive Predictive Value of ICD-10 Diagnosis Codes for COVID-1913
Pre-Morbid Risk Factors for Amyotrophic Lateral Sclerosis: Prospective Cohort Study13
Effects of Adjusting for Instrumental Variables on the Bias and Precision of Propensity Score Weighted Estimators: Analysis Under Complete, Near, and No Positivity Violations13
Effect of Pharmacological and Neurostimulation Interventions for Cognitive Domains in Patients with Bipolar Disorder: A Systematic Review and Network Meta-Analysis of Randomized Controlled Trials13
Serious Mental Illness Exacerbation Post-Bereavement: A Population-Based Study of Partners and Adult Children13
Validation of Postsurgical Venous Thromboembolism Diagnoses of Patients Undergoing Lower Limb Orthopedic Surgery in the Danish National Patient Registry13
Community Use of Repurposed Drugs Before and During COVID-19 Pandemic in the Netherlands: An Interrupted Time-Series Analysis13
Risk Stratification in Patients with Ischemic Stroke and Residual Cardiovascular Risk with Current Secondary Prevention12
Positive Predictive Value of Diagnostic Codes for Inflammatory Bowel Disease in the Danish National Patient Registry Among Individuals 50+ Years, Using Patient Records as Reference Standard12
Identifying and Characterizing Children of Parents with a Serious Illness Using Survey and Register Data12
Existing Data Sources in Clinical Epidemiology: Database of Community Acquired Infections Requiring Hospital Referral in Eastern Denmark (DCAIED) 2018–202112
Identifying Non-Steroidal Anti-Inflammatory Drug (NSAID) Users Among People with Osteoarthritis Through Administrative and Clinician-Reported Data – A Validation Study of 116,162 Patients12
Comments on “Development and Validation of a META-Algorithm to Identify the Indications of Use of Biological Drugs Approved for the Treatment of Immune-Mediated Inflammatory Diseases from Claims Datab11
Kidney Disease Cohort (KidDiCo) of Southern Denmark: Design, Coverage, Generalizability and Implications for Use11
Reporting of “Theoretical Design” in Explanatory Research: A Critical Appraisal of Research on Early Life Exposure to Antibiotics and the Occurrence of Asthma11
Cancer Diagnosis and Prognosis After Guillain–Barré Syndrome: A Population-Based Cohort Study11
Development and Validation of a Nordic Multimorbidity Index Based on Hospital Diagnoses and Filled Prescriptions11
Using Routinely Collected Electronic Healthcare Record Data to Investigate Fibrotic Multimorbidity in England [Letter]10
Healthcare Utilization and Comorbidity in Chronic Lymphocytic Leukemia10
Anxiety and Depression in People with Eczema or Psoriasis: A Comparison of Associations in UK Biobank and Linked Primary Care Data10
The Danish Myelodysplastic Syndromes Database: Patient Characteristics and Validity of Data Records10
Gender-Specific Survival of Nasopharyngeal Carcinoma in Endemic and Non-Endemic Areas Based on the US SEER Database and a Chinese Single-Institutional Registry10
High Perceived Stress and Low Self-Efficacy are Associated with Functional Somatic Disorders: The DanFunD Study10
Association of Prior Antithrombotic Drug Use with 90-Day Mortality After Intracerebral Hemorrhage9
Identification of Drugs Associated with Lower Risk of Parkinson’s Disease Using a Systematic Screening Approach in a Nationwide Nested Case–Control Study9
The Danish National Hospital Medication Register: A Resource for Pharmacoepidemiology9
Assessing the Role of Serum Prealbumin in Prognostic Studies of Stroke: Reflections on Existing Research Methods [Letter]9
Venous Thromboembolism and Risk of Cancer in Patients with Diverticular Disease: A Danish Population-Based Cohort Study9
Validating Acute Myocardial Infarction Diagnoses in National Health Registers for Use as Endpoint in Research: The Tromsø Study9
Genetically Predicted Cigarette Smoking in Relation to Risk of Polycystic Ovary Syndrome9
Positive Predictive Value of ICD-10-CM Codes for Myocarditis in Claims Data: A Multi-Institutional Study in Taiwan8
Swedish Covid-19 Investigation for Future Insights – A Population Epidemiology Approach Using Register Linkage (SCIFI-PEARL)8
Non-Selective Beta-Blockers and Risk of Sepsis in Patients with Cirrhosis and Ascites: Results from a Large Observational Study8
Nordic Health Registry-Based Research: A Review of Health Care Systems and Key Registries8
Assessing the Validity and Cover Rate of the National Swedish Hernia Register8
Cardiovascular Disease Prediction by Machine Learning Algorithms Based on Cytokines in Kazakhs of China8
The Risk of Gout in Patients with Psoriasis: A Population-Based Cohort Study in Taiwan8
The National Danish Cardiac Arrest Registry for Out-of-Hospital Cardiac Arrest – A Registry in Transformation8
Temporal Trends and Projections of Bladder Cancer Burden in China from 1990 to 2030: Findings from the Global Burden of Disease Study8
Cardiovascular Data Quality in the Danish National Patient Registry (1977–2024): A Systematic Review8
Characteristics of Living Systematic Review for COVID-198
Prevalence and Medications of Atopic Dermatitis in Germany: Claims Data Analysis8
A Real-World Disproportionality Analysis of Olaparib: Data Mining of the Public Version of FDA Adverse Event Reporting System8
Use of Linked Nordic Registries for Population Studies in Hematologic Cancers: The Case of Multiple Myeloma8
Semaglutide (Ozempic®) Use in Denmark 2018 Through 2023 ‒ User Trends and off-Label Prescribing for Weight Loss7
Adaptability of High Dimensional Propensity Score Procedure in the Transition from ICD-9 to ICD-10 in the US Healthcare System7
Association Between Autoimmune Diseases and Sarcopenia: A Two-Sample Mendelian Randomization Study7
The Association Between Severity of Anemia During Pregnancy and Severe Maternal Outcomes: A Retrospective Cohort Study7
Cancer Risk in Pulmonary Hypertension Patients7
Impact of Thromboprophylaxis Intensity on Patients’ Mortality Among Hospitalized Patients with COVID-19: A Propensity-Score Matched Study7
Identifying Recurrences Among Non-Metastatic Colorectal Cancer Patients Using National Health Data Registries: Validation and Optimization of a Registry-Based Algorithm in a Modern Danish Cohort7
Trends in Abdominal Aortic Aneurysm Repair Incidence, Comorbidity, Treatment, and Mortality: A Danish Nationwide Cohort Study, 1996–20187
Current Trends in Comorbidity Prevalence and Associated Mortality in a Population-Based Cohort of Hip Fracture Patients in Denmark7
Trends in Hysterectomy Incidence Rates During 2000–2015 in Denmark: Shifting from Abdominal to Minimally Invasive Surgical Procedures7
Cancer and SARS-CoV-2 Infection: A Third-Level Hospital Experience7
Patient Safety Climate in Danish Primary Care: Adaption and Validation of the Danish Safety Attitudes Questionnaire (SAQ-DK-PRIM) [Response to Letter]7
Factors Affecting Future Caries Occurrence Among Preschoolers in Northern Guangdong: A Longitudinal Study7
Normal Gastrointestinal Mucosa at Biopsy and Overall Mortality: Nationwide Population-Based Cohort Study6
Ischemic Heart Disease in Chronic Hepatitis B: A Danish Nationwide Cohort Study6
Extremely and Very Preterm Deliveries in a Maternity Unit of Inappropriate Level: Analysis of Socio-Residential Factors6
The Efficacy of Assisted Reproduction in Women with a Wide Spectrum of Chronic Diseases – A Review6
Using Routinely Collected Electronic Healthcare Record Data to Investigate Fibrotic Multimorbidity in England6
Advancing an Algorithm for the Identification of Patients with High Data-Continuity in Electronic Health Records6
The Positive Predictive Value of Pediatric Stroke Diagnoses in Administrative Data: A Retrospective Validation Study6
Cholesterol and Hypertension Treatment Improve Coronary Risk Prediction but Not Time-Dependent Covariates or Competing Risks6
Indirect Comparisons via Sorafenib for the Comparative Effectiveness of Two PD-1/PD-L1 Inhibitors to Treat Advanced Hepatocellular Carcinoma Patients without Prior Systemic Therapies6
Hospital-Treated Infections and 15-year Incidence of Musculoskeletal Disorders: A Large Population-Based Cohort Study6
Avoiding Time-Related Biases: A Feasibility Study on Antidiabetic Drugs and Pancreatic Cancer Applying the Parametric g-Formula to a Large German Healthcare Database6
Second Primary Cancers After Gastric Cancer, and Gastric Cancer as Second Primary Cancer6
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