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Validity of the diagnosis of acute myocardial infarction in korean national medical health insurance claims data: the korean heart study (1).

Authors
 Heejin Kimm  ;  Ji Eun Yun  ;  Sang-Hak Lee  ;  Yangsoo Jang  ;  Sun Ha Jee 
Citation
 KOREAN CIRCULATION JOURNAL, Vol.42(1) : 10-15, 2012 
Journal Title
 KOREAN CIRCULATION JOURNAL 
ISSN
 1738-5520 
Issue Date
2012
Keywords
Acute myocardial infarction ; International Classification of Diseases ; Reliability ; Validity
Abstract
BACKGROUND AND OBJECTIVES: Medical insurance claims (MIC) data are one of the largest sources of outcome data in the form of International Classification of Diseases (ICD) codes. We evaluated the validity of the ICD codes from the Korean National MIC data with respect to the outcomes from acute myocardial infarction (AMI) in the Korean Heart Study. SUBJECTS AND METHODS: Baseline information was obtained from health examinations conducted from 1994 to 2001. Outcome information regarding the incidence of AMI came from hospital admission discharge records from 1994 to 2007. Structured questionnaires were sent to 98 hospitals. In total, 107 cases of AMI with ICD codes of I21- (93 men, 26-73 years of age) were included in the final analyses. ICD code accuracy and reliability (kappa) for AMI were calculated. RESULTS: A large number of AMI cases were from hospitals located in the Seoul area (75.9%). The accuracy of AMI was 71.4%, according to World Health Organization criteria (1997-2000, n=24, kappa=0.46) and 73.1% according to the European Society of Cardiology/American College of Cardiology (ESC/ACC) criteria (2001-2007, n=83, kappa=0.74). An age of 50 years or older was the only factor related to inaccuracy of codes for AMI (odds ratio, 4.6; 95% confidence interval, 1.2-17.7) in patients diagnosed since January 2001 using ESC/ACC criteria (n=83). CONCLUSION: The accuracy for diagnosing AMI using the ICD-10 codes in Korean MIC data was >70%, and reliability was fair to good; however, more attention is required for recoding ICD codes in older patients.
Files in This Item:
T201200552.pdf Download
DOI
22363378
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Kimm, Heejin(김희진) ORCID logo https://orcid.org/0000-0003-4526-0570
Yun, Ji Eun(윤지은)
Lee, Sang Hak(이상학) ORCID logo https://orcid.org/0000-0002-4535-3745
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Jee, Sun Ha(지선하) ORCID logo https://orcid.org/0000-0001-9519-3068
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/91203
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