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Developing a national surveillance system for stroke and acute myocardial infarction using claims data in the Republic of Korea: a retrospective study

Authors
 Tae Jung Kim  ;  Hak Seung Lee  ;  Seong-Eun Kim  ;  Jinju Park  ;  Jun Yup Kim  ;  Jiyoon Lee  ;  Ji Eun Song  ;  Jin-Hyuk Hong  ;  Joongyub Lee  ;  Joong-Hwa Chung  ;  Hyeon Chang Kim  ;  Dong-Ho Shin  ;  Hae-Young Lee  ;  Bum Joon Kim  ;  Woo-Keun Seo  ;  Jong-Moo Park  ;  Soo Joo Lee  ;  Keun-Hwa Jung  ;  Sun U Kwon  ;  Yun-Chul Hong  ;  Hyo-Soo Kim  ;  Hyun-Jae Kang  ;  Juneyoung Lee  ;  Hee-Joon Bae 
Citation
 Osong Public Health and Research Perspectives, Vol.15(1) : 18-32, 2024-02 
Journal Title
Osong Public Health and Research Perspectives
ISSN
 2210-9099 
Issue Date
2024-02
Keywords
Incidence ; Myocardial infarction ; Population characteristics ; Population surveillance ; Stroke
Abstract
Objectives: Limited information is available concerning the epidemiology of stroke and acute myocardial infarction (AMI) in the Republic of Korea. This study aimed to develop a national surveillance system to monitor the incidence of stroke and AMI using national claims data. Methods: We developed and validated identification algorithms for stroke and AMI using claims data. This validation involved a 2-stage stratified sampling method with a review of medical records for sampled cases. The weighted positive predictive value (PPV) and negative predictive value (NPV) were calculated based on the sampling structure and the corresponding sampling rates. Incident cases and the incidence rates of stroke and AMI in the Republic of Korea were estimated by applying the algorithms and weighted PPV and NPV to the 2018 National Health Insurance Service claims data. Results: In total, 2,200 cases (1,086 stroke cases and 1,114 AMI cases) were sampled from the 2018 claims database. The sensitivity and specificity of the algorithms were 94.3% and 88.6% for stroke and 97.9% and 90.1% for AMI, respectively. The estimated number of cases, including recurrent events, was 150,837 for stroke and 40,529 for AMI in 2018. The age- and sex-standardized incidence rate for stroke and AMI was 180.2 and 46.1 cases per 100,000 person-years, respectively, in 2018. Conclusion: This study demonstrates the feasibility of developing a national surveillance system based on claims data and identification algorithms for stroke and AMI to monitor their incidence rates. © 2024 Korea Disease Control and Prevention Agency.
Files in This Item:
T202402630.pdf Download
DOI
10.24171/j.phrp.2023.0248
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Shin, Dong Ho(신동호) ORCID logo https://orcid.org/0000-0002-7874-5542
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/199181
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