OOIR: Observatory of International Research

Papers

(The TQCC of Clinical Epidemiology is 7. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Nordic Health Registry-Based Research: A Review of Health Care Systems and Key Registries	264
Adaptation of the Charlson Comorbidity Index for Register-Based Research in Sweden	139
A Real-World Disproportionality Analysis of Olaparib: Data Mining of the Public Version of FDA Adverse Event Reporting System	66
Global Burden of Ischemic Heart Disease and Attributable Risk Factors, 1990–2017: A Secondary Analysis Based on the Global Burden of Disease Study 2017	42
<p>Survival of Hospitalized COVID-19 Patients in Northern Italy: A Population-Based Cohort Study by the ITA-COVID-19 Network</p>	38
Positive Predictive Value of COVID-19 ICD-10 Diagnosis Codes Across Calendar Time and Clinical Setting	36
Swedish Covid-19 Investigation for Future Insights – A Population Epidemiology Approach Using Register Linkage (SCIFI-PEARL)	33
The National Danish Cardiac Arrest Registry for Out-of-Hospital Cardiac Arrest – A Registry in Transformation	32
Trends in Hysterectomy Incidence Rates During 2000–2015 in Denmark: Shifting from Abdominal to Minimally Invasive Surgical Procedures	31
Validation of ICD-10-CM Diagnosis Codes for Identification of Patients with Acute Hemorrhagic Stroke in a National Health Insurance Claims Database	31
Cardiovascular Disease Prediction by Machine Learning Algorithms Based on Cytokines in Kazakhs of China	30
Efficacy and Safety of Liraglutide and Semaglutide on Weight Loss in People with Obesity or Overweight: A Systematic Review	29
<p>The Risk of Selection Bias in a Clinical Multi-Center Cohort Study. Results from the Norwegian Cognitive Impairment After Stroke (Nor-COAST) Study</p>	28
Validity of Inflammatory Bowel Disease Diagnoses in the Danish National Patient Registry: A Population-Based Study from the North Denmark Region	28
Recalibrating SARS-CoV-2 Antigen Rapid Lateral Flow Test Relative Sensitivity from Validation Studies to Absolute Sensitivity for Indicating Individuals Shedding Transmissible Virus	26
Risk of Severe Covid-19 in Patients with Celiac Disease: A Population-Based Cohort Study	26
Trends in Incidence and Mortality of Gynecological and Breast Cancers in Poland (1980–2018)	26
<p>The DANish Comorbidity Index for Acute Myocardial Infarction (DANCAMI): Development, Validation and Comparison with Existing Comorbidity Indices</p>	25
Identification of Childhood-Onset Inflammatory Bowel Disease in Swedish Healthcare Registers: A Validation Study	24
Global, Regional, and National Burden of Urolithiasis from 1990 to 2019: A Systematic Analysis for the Global Burden of Disease Study 2019	24
The Metabolic Score for Insulin Resistance (METS-IR) Predicts Cardiovascular Disease and Its Subtypes in Patients with Hypertension and Obstructive Sleep Apnea	24
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	23
Completeness in the Swedish Fracture Register and the Swedish National Patient Register: An Assessment of Humeral Fracture Registrations	23
Positive Predictive Value of ICD-10 Diagnosis Codes for COVID-19	23
Identification of Biomarkers for Preeclampsia Based on Metabolomics	22

Temporal Trends in the Disease Burden of Colorectal Cancer with Its Risk Factors at the Global and National Level from 1990 to 2019, and Projections Until 2044	22
Trends in Surgical Glaucoma Treatment in Germany Between 2006 and 2018	22
Establishment of the SingHealth Diabetes Registry	22
Trajectories of Musculoskeletal Healthcare Utilization of People with Chronic Musculoskeletal Pain – A Population-Based Cohort Study	22
<p>Congenital Malformations in Denmark: Considerations for the Use of Danish Health Care Registries</p>	21
Epidemiology of Vitiligo – A Dual Population-Based Approach	21
Measuring Medication Adherence in a Population-Based Asthma Administrative Pharmacy Database: A Systematic Review and Meta-Analysis	20
Incidence of ICD-Based Diagnoses of Alcohol-Related Disorders and Diseases from Swedish Nationwide Registers and Suggestions for Coding	20
Incidence and Prevalence of Inflammatory Bowel Disease in Norway and the Impact of Different Case Definitions: A Nationwide Registry Study	19
Existing Data Sources for Clinical Epidemiology: The Danish Study Group of Infections of the Brain Database (DASGIB)	19
The Effect of Prucalopride on the Completion Rate and Polyp Detection Rate of Colon Capsule Endoscopies	18
Existing Data Sources in Clinical Epidemiology: The Taiwan National Health Insurance Laboratory Databases	18
<p>Retraction of COVID-19 Pharmacoepidemiology Research Could Have Been Avoided by Effective Use of Reporting Guidelines</p>	17
Smoking and COVID-19 Infection and Related Mortality: A Prospective Cohort Analysis of UK Biobank Data	17
Prevalence and Medications of Atopic Dermatitis in Germany: Claims Data Analysis	17
Glycemic Control in Pregnancies Complicated by Pre-Existing Diabetes Mellitus and Congenital Malformations: A Danish Population-Based Study	17
Quality and Completeness of Myocardial Infarction Recording in Clinical Practice Research Datalink Aurum	16
<p>The Validity of Intracerebral Hemorrhage Diagnoses in the Danish Patient Registry and the Danish Stroke Registry</p>	16
Incidence of Inflammatory Bowel Disease in South Asian and Chinese People: A Population-Based Cohort Study from Ontario, Canada	16
Validation of Register-Based Diabetes Classifiers in Danish Data	16
Sixty-Day Mortality Among 520 Italian Hospitalized COVID-19 Patients According to the Adopted Ventilatory Strategy in the Context of an Integrated Multidisciplinary Clinical Organization: A Population	16
Development and Validation of a Nordic Multimorbidity Index Based on Hospital Diagnoses and Filled Prescriptions	15
Epidemiological Trends of Kidney Cancer Along with Attributable Risk Factors in China from 1990 to 2019 and Its Projections Until 2030: An Analysis of the Global Burden of Disease Study 2019	15
Prevalence and Incidence Rates of Atrial Fibrillation in Denmark 2004–2018	14
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 Standard	14
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	14
Albumin Level is Associated with Short-Term and Long-Term Outcomes in Sepsis Patients Admitted in the ICU: A Large Public Database Retrospective Research	13
Autism Spectrum Disorder Diagnoses: A Comparison of Countries with Different Income Levels	13
Combined Lifestyle Behaviors and the Incidence of Common Cancer Types in the Norwegian Women and Cancer Study (NOWAC)	13
Assessing Techniques for Quantifying the Impact of Bias Due to an Unmeasured Confounder: An Applied Example	13
<p>Long-Term Risk of Stroke and Poststroke Outcomes in Patients with Heart Failure: Two Nationwide Studies</p>	12
Maternal Viral Infection in Early Pregnancy and Risk of Congenital Heart Disease in Offspring: A Prospective Cohort Study in Central China	12
Existing Data Sources for Clinical Epidemiology: Database of the National Hospital Organization in Japan	12
Trends in Antibiotic Use in Danish, Finnish, Norwegian and Swedish Children	12
Validation of Stroke Risk Factors in Patients with Acute Ischemic Stroke, Transient Ischemic Attack, or Intracerebral Hemorrhage on Taiwan’s National Health Insurance Claims Data	12
Positive Predictive Value of ICD-10 Codes for Cerebral Venous Sinus Thrombosis in Taiwan’s National Health Insurance Claims Database	12
Stroke Incidence and Death in Atrial Fibrillation Patients Newly Treated with Direct Oral Anticoagulants	12
Decreasing Incidence of Alcohol-Related Liver Disease in Denmark: A 25-Year Nationwide Study	11
Time Trends in Incidence of Reported Memory Concerns and Cognitive Decline: A Cohort Study in UK Primary Care	11
Disease Burden of Total and Early-Onset Colorectal Cancer in China from 1990 to 2019 and Predictions of Cancer Incidence and Mortality	11
Genetically Predicted Cigarette Smoking in Relation to Risk of Polycystic Ovary Syndrome	11
Positive Predictive Value of the ICD-10 Diagnosis Code for Long-COVID	11
Risk Stratification in Patients with Ischemic Stroke and Residual Cardiovascular Risk with Current Secondary Prevention	11
Routine Clinical Care Creatinine Data in Denmark – An Epidemiological Resource for Nationwide Population-Based Studies of Kidney Disease	10
Antiemetic Prescription Fills in Pregnancy: A Drug Utilization Study Among 762,437 Pregnancies in Norway	10
Psychological Distress and All-Cause, Cardiovascular Disease, Cancer Mortality Among Adults with and without Diabetes	10
The Global Burden of Appendicitis in 204 Countries and Territories from 1990 to 2019	10
Acupuncture Relieves Opioid-Induced Constipation in Clinical Cancer Therapy – A Meta-Analysis and Systematic Review	10
Prediction of Early Periprosthetic Joint Infection After Total Hip Arthroplasty	10
Trends in the Annual Consultation Incidence and Prevalence of Low Back Pain and Osteoarthritis in England from 2000 to 2019: Comparative Estimates from Two Clinical Practice Databases	10

Effect of Beta-Blockers on Stroke Outcome: A Meta-Analysis	10
Differences in Classification Standards For the Prevalence of Overweight and Obesity in Children. A Systematic Review and Meta-Analysis	9
Glucocorticoids and Risk of Venous Thromboembolism in Asthma Patients Aged 20–59 Years in the United Kingdom’s CPRD 1995–2015	9
Global Patterns and Trends in Total Burden of Hepatitis B from 1990 to 2019 and Predictions to 2030	9
Cohort Description: Preventing an Opioid Epidemic in Norway – Focusing on Treatment of Chronic Pain (POINT) – A National Registry-Based Study	9
Pharmacogenetics of Anticoagulation and Clinical Events in Warfarin-Treated Patients: A Register-Based Cohort Study with Biobank Data and National Health Registries in Finland	9
Validating Acute Myocardial Infarction Diagnoses in National Health Registers for Use as Endpoint in Research: The Tromsø Study	9
<p>Assessment of the Accuracy of Using <em>ICD-10</em> Codes to Identify Systemic Sclerosis</p>	9
The Epidemiology of Bile Acid Diarrhea in Denmark	9
Comparing Health Administrative and Clinical Registry Data: Trends in Incidence and Prevalence of Pediatric Inflammatory Bowel Disease in British Columbia	9
<p>Use of Immunomodulating Drugs and Risk of Cutaneous Melanoma: A Nationwide Nested Case-Control Study</p>	9
Prevalence and Associated Risk Factors of Hypertension in Adults with Disabilities: A Cross-Sectional Study in Shanghai, China	8
Prediction Ability of Charlson, Elixhauser, and Rx-Risk Comorbidity Indices for Mortality in Patients with Hip Fracture. A Danish Population-Based Cohort Study from 2014 – 2018	8
Unraveling COVID-19: A Large-Scale Characterization of 4.5 Million COVID-19 Cases Using CHARYBDIS	8
Elevated Uric Acid Mediates the Effect of Obesity on Hypertension Development: A Causal Mediation Analysis in a Prospective Longitudinal Study	8
Profiling Bispebjerg Acute Cohort: Database Formation, Acute Contact Characteristics of a Metropolitan Hospital, and Comparisons to Urban and Rural Hospitals in Denmark	8
Second Primary Cancers After Gastric Cancer, and Gastric Cancer as Second Primary Cancer	8
Association Between Serum Uric Acid and Non-Alcoholic Fatty Liver Disease: An Updated Systematic Review and Meta-Analysis	8
Temporal Trends of Inflammatory Bowel Disease Burden in China from 1990 to 2030 with Comparisons to Japan, South Korea, the European Union, the United States of America, and the World	8
Sex Differences of Combined Effects Between Hypertension and General or Central Obesity on Ischemic Stroke in a Middle-Aged and Elderly Population	8
Cardiovascular Risk Associated with Methotrexate versus Retinoids in Patients with Psoriasis: A Nationwide Taiwanese Cohort Study	8
Incidence and Survival for Head and Neck Cancers in Estonia, 1996–2016: A Population-Based Study	8
Associations Between Mean HbA1c, HbA1c Variability, and Both Mortality and Macrovascular Complications in Patients with Diabetes Mellitus: A Registry-Based Cohort Study	8
Deep Learning in Prediction of Late Major Bleeding After Transcatheter Aortic Valve Replacement	8
Assessing the Associations of Growth Differentiation Factor 15 with Rheumatic Diseases Using Genetic Data	8
Lifestyle in Pregnancy and Hypospadias in Sons: A Study of 85,923 Mother-Son Pairs from Two Danish Pregnancy Cohorts	8
Association of Sleep Duration, Midday Napping with Atrial Fibrillation in Patients with Hypertension	8
Case-Ascertainment Models to Identify Adults with Obstructive Sleep Apnea Using Health Administrative Data: Internal and External Validation	7
Aortic Dissections in the Population-Based Danish National Patient Registry from 1996–2016: A Validation Study	7
Disease Burden of Glaucoma in China: Findings from the Global Burden of Disease 2019 Study	7
Agreement Between Standard and ICD-10-Based Injury Severity Scores	7
Temporal Trends and Projections of Bladder Cancer Burden in China from 1990 to 2030: Findings from the Global Burden of Disease Study	7
Incidence, Mortality and Survival in Young People with Co-Occurring Mental Disorders and Substance Use: A Retrospective Linked Routine Data Study in Wales	7
Increased Risk of Anemia in Patients with Asthma	7
<p>Detection of Glaucoma and Other Vision-Threatening Ocular Diseases in the Population Recruited at Specific Health Checkups in Japan</p>	7
Validation of ICD-9-CM and ICD-10-CM Diagnostic Codes for Identifying Patients with Out-of-Hospital Cardiac Arrest in a National Health Insurance Claims Database	7
Estimating the Future Burden of Myocardial Infarction in France Until 2035: An Illness-Death Model-Based Approach	7
Vesicoureteral Reflux in Children with Urinary Tract Infections in the Inpatient Setting in Taiwan	7
Maternal Smoking During Pregnancy and Offspring Head Growth in Comparison to Height and Weight Growth Up to 6 Years of Age: A Longitudinal Study	7
Fat Embolism Syndrome and in-Hospital Mortality Rates According to Patient Age: A Large Nationwide Retrospective Study	7
Maternal Multiple Sclerosis and Health Outcomes Among the Children: A Systematic Review	7
Second Primary Cancers After Liver, Gallbladder and Bile Duct Cancers, and These Cancers as Second Primary Cancers	7