ArticleDiabetes & metabolism journal2023
Comparison of Operational Definition of Type 2 Diabetes Mellitus Based on Data from Korean National Health Insurance Service and Korea National Health and Nutrition Examination Survey.
Article in Diabetes & metabolism journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed.
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- Time-Dependent Association Between Breast Cancer and Risk of Ischemic Stroke: A Nationwide Cohort Study.Neurology · 2026Article
- Cardiovascular risk associated with intellectual disability among adults with type 2 diabetes: a nationwide cohort study in South Korea.EClinicalMedicine · 2026Article
- Income Persistence and the Risk of Hepatocellular Carcinoma in Individuals with Type 2 Diabetes.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2026Article
- Income and risk of type 2 diabetes incidence varied associations according to obesity status: a nationwide study.BMC public health · 2026Article
- Long-term risk of offspring type 1 and type 2 diabetes following maternal gestational diabetes mellitus: a nationwide birth cohort study with 10-year follow-up.BMC medicine · 2026Article
- Associations between steatotic liver disease subtypes and incident diabetes in young Korean adults: A nationwide cohort study.Diabetes, obesity & metabolism · 2026Article
- Glucose tolerance and mortality across 24 cancer types and stages: A K-CURE Nationwide registry study.Diabetes, obesity & metabolism · 2026Article
- Nationwide Big Data Studies of Endocrine Diseases Using the Korean National Health Information Database: Research Trends and Standardization of Operational Definitions.Endocrinology and metabolism (Seoul, Korea) · 2026Review
- Effects of Various Anti-Diabetic Drugs on the Risk of Fractures in Older Women with Type 2 Diabetes Mellitus.Journal of bone metabolism · 2026Article
- Impact of Early Post-Transplantation Diabetes Mellitus and Changes in Diabetic Status on Graft Failure and Mortality in Kidney Transplant Recipients.Transplant international : official journal of the European Society for Organ Transplantation · 2026Article
- Validation of Diagnostic Code Definitions for Identifying Patient in Korean Health Insurance Claims Data: A Scoping Review.Journal of Korean medical science · 2025Article
- Nationwide study of income-based disparities in diabetic limb preservation in South Korea.Scientific reports · 2025Article
- Improvement in proteinuria attenuates the occurrence of venous thromboembolism: A population-based cohort study.Scientific reports · 2025Article
- Treatment intensity-dependent association between the number of oral hypoglycemic agents and insulin use and lung cancer risk in patients with type 2 diabetes.Translational lung cancer research · 2025Article
- Physical activity intensity and amount are inversely correlated with the risk of tuberculosis in patients with diabetes.Scientific reports · 2025Article
- Association between body mass index and survival after hematopoietic stem cell transplantation.The Korean journal of internal medicine · 2025Article
- Risk of End-Stage Kidney Disease in Individuals with Diabetes Living Alone: A Large-Scale Population-Based Study.Diabetes & metabolism journal · 2025Article
- GLP-1 Receptor Agonist Outcomes, Safety, and Body Mass Index Change in a National Cohort of Patients on Dialysis.Clinical journal of the American Society of Nephrology : CJASN · 2025Article
- Comparison of Type 2 Diabetes Risk in Osteoporosis Patients Treated with Denosumab or Alendronate: A Nationwide Cohort Study.Calcified tissue international · 2025Observational
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6 authors.
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Abstract
backgroundWe evaluated the validity and reliability of the operational definition of type 2 diabetes mellitus (T2DM) based on the Korean National Health Insurance Service (NHIS) database.
methodsAdult subjects (≥40 years old) included in the Korea National Health and Nutrition Examination Survey (KNHANES) from 2008 to 2017 were merged with those from the NHIS health check-up database, producing a cross-sectional dataset. We evaluated the sensitivity, specificity, accuracy, and agreement of the NHIS criteria for defining T2DM by comparing them with the KNHANES criteria as a standard reference.
resultsIn the study population (n=13,006), two algorithms were devised to determine from the NHIS dataset whether the diagnostic claim codes for T2DM were accompanied by prescription codes for anti-diabetic drugs (algorithm 1) or not (algorithm 2). Using these algorithms, the prevalence of T2DM was 14.9% (n=1,942; algorithm 1) and 20.8% (n=2,707; algorithm 2). Good reliability in defining T2DM was observed for both algorithms (Kappa index, 0.73 [algorithm 1], 0.63 [algorithm 2]). However, the accuracy (0.93 vs. 0.89) and specificity (0.96 vs. 0.90) tended to be higher for algorithm 1 than for algorithm 2. The validity (accuracy, ranging from 0.91 to 0.95) and reliability (Kappa index, ranging from 0.68 to 0.78) of defining T2DM by NHIS criteria were independent of age, sex, socioeconomic status, and accompanied hypertension or dyslipidemia.
conclusionThe operational definition of T2DM based on population-based NHIS claims data, including diagnostic codes and prescription codes, could be a valid tool to identify individuals with T2DM in the Korean population.
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