Observational studyBiomedical journal2022
Discharge status validation of the Chang Gung Research database in Taiwan.
Observational study in Biomedical journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
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- Sodium-Glucose Cotransporter 2 Inhibitors Use and Adverse Kidney Outcomes in Patients Receiving Contrast Media.Clinical and translational science · 2025Article
- Significant Decline in HCV-Related Mortality From Liver Cirrhosis and Chronic Liver Disease (2015-2022): A Sentinel Center Study.Liver international : official journal of the International Association for the Study of the Liver · 2025Article
- Performance of DOAC and HAS-BLED scores in predicting major bleeding in Asian patients with non-valvular atrial fibrillation receiving direct oral anticoagulants.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2025Article
- Epidemiology and Burden of Illness of Lennox-Gastaut Syndrome in Taiwan: A Retrospective Cohort Study.Risk management and healthcare policy · 2025Article
- Long-Term Outcomes and Post-Ablation Medication De-Escalation After Catheter Ablation for Premature Ventricular Complexes: A Nationwide Cohort Study.International journal of general medicine · 2025Article
- Prognostic value of neutrophil-to-lymphocyte ratios pre- and post-surgery in stage III CRC: a study of 2,742 patients.International journal of colorectal disease · 2024Article
- Impact of Different Angiotensin-Converting Enzyme Inhibitors or Angiotensin Receptor Blocker Resumption Timing on Post Acute Kidney Injury Outcomes.Kidney international reports · 2024Article
- Bridging Real-World Data Gaps: Connecting Dots Across 10 Asian Countries.JMIR medical informatics · 2024Article
- Real-world effectiveness of intravitreal dexamethasone implants - Comparison between eyes eligible and ineligible for clinical trials and their associated outcomes.Biomedical journal · 2024Article
- Major adverse cardiovascular events in advanced-stage lung cancer: a multicenter cohort study.Therapeutic advances in medical oncology · 2024Article
- Association between recently raised anticholinergic burden and risk of acute cardiovascular events: nationwide case-case-time-control study.BMJ (Clinical research ed.) · 2023Article
- Denosumab Is Superior to Raloxifene in Lowering Risks of Mortality and Ischemic Stroke in Osteoporotic Women.Pharmaceuticals (Basel, Switzerland) · 2023Article
- Cardiovascular diseases morbidity and mortality among children, adolescents and young adults with dialysis therapy.Frontiers in public health · 2023Observational
- A Comparison among Nonvitamin K Antagonist Oral Anticoagulants in Asian Patients with Venous Thromboembolism: A Multi-Institutional Study.Journal of clinical medicine · 2022Article
- Small and mighty - microRNAs pulling the strings.Biomedical journal · 2022Article
- Comparison of Sodium-Glucose Cotransporter 2 Inhibitors vs Glucagonlike Peptide-1 Receptor Agonists and Incidence of Dry Eye Disease in Patients With Type 2 Diabetes in Taiwan.JAMA network open · 2022Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe Chang Gung Research Database (CGRD) is the largest multi-institutional electronic medical records database in Taiwan and has been widely used to establish evidence studies. However, the accuracy of CGRD has rarely been validated. This study aims to validate the discharge status, especially with a focus on mortality, of admission data under CGRD.
methodsWe constructed an observational study using CGRD linked with TDR to validate the discharge status. The CGRD and TDR data were obtained from the Chang Gung Memorial Hospital system and the Health and Welfare Data Science Center, respectively. The accuracy, positive predictive value (PPV), and underestimated mortality rate (UEM) were employed as indicators for validation. Year, sex, age, and the primary cause for admission (PCA) were analyzed.
resultsA total of 1,972,044 admission records under CGRD were analyzed. The overall accuracy for mortality coding on discharge status was higher than 97% within one week after discharge. The accuracy increased by year and was more than 98% after 2010. A similar result was observed in UEM; the UEM within one week was lower than 10% after 2010. These indicators varied by age group and PCA-elderly patients had relatively lower accuracy and higher UEM (approximately 11%). The presence of UEM within one week was better but varied by disease.
conclusionsConsidering the data accuracy and UEM discharge status, prioritizing the use of inpatient data after 2010 under CGRD for mortality outcome follow-up studies is recommended.
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