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Impact of COVID-19 on admission and in-hospital mortality of patients with acute myocardial infarction in Korea: An interrupted time series analysis

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  • Soo-Hee Hwang
  • Youngs Chang
  • Haibin Bai
  • Jieun Yun
  • Hyejin Lee
  • Jin Yong Lee

Abstract

Objectives: The purpose of this study is to investigate the impact of COVID-19 on admission and in-hospital mortality of patients with acute myocardial infarction (AMI). Methods: We constructed a dataset of monthly hospitalizations and mortality of inpatients with AMI from January 2017 to December 2021 utilizing the National Health Insurance Claims Data which covers nearly the entire population. Using an interrupted time series (ITS), we investigated how COVID-19 affected hospitalizations and in-hospital deaths of patients with AMI. Results: During the study period, the average age of patients with AMI was 65.2–65.8 years, and the ratio of men to women was higher, with 73.0–75.3% of patients being men and 24.7–27.0% being women. ITS analysis showed that admission rates of patients with AMI decreased one per 100,000 population due to COVID-19 (P

Suggested Citation

  • Soo-Hee Hwang & Youngs Chang & Haibin Bai & Jieun Yun & Hyejin Lee & Jin Yong Lee, 2025. "Impact of COVID-19 on admission and in-hospital mortality of patients with acute myocardial infarction in Korea: An interrupted time series analysis," PLOS ONE, Public Library of Science, vol. 20(2), pages 1-11, February.
    • Handle: RePEc:plo:pone00:0316943
    DOI: 10.1371/journal.pone.0316943
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