Risk factors for deaths associated with COVID-19 according to the cause of death classification in Republic of Korea

Na-Young Kim; Seong-Sun Kim; Hyun Ju Lee; Dong Hwi Kim; Boyeong Ryu; Eunjeong Shin; Donghyok Kwon

doi:10.24171/j.phrp.2022.0312

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자료유형: 학술저널

저자정보: Na-Young Kim (Central Disease Control Headquarters Korea Disease Control and Prevention Agency) Seong-Sun Kim (Central Disease Control Headquarters Korea Disease Control and Prevention Agency) Hyun Ju Lee (Central Disease Control Headquarters Korea Disease Control and Prevention Agency) Dong Hwi Kim (Central Disease Control Headquarters Korea Disease Control and Prevention Agency) Boyeong Ryu (Central Disease Control Headquarters Korea Disease Control and Prevention Agency) Eunjeong Shin (Central Disease Control Headquarters Korea Disease Control and Prevention Agency) Donghyok Kwon (Central Disease Control Headquarters Korea Disease Control and Prevention Agency)

저널정보: 질병관리본부 Osong Public Health and Research Persptectives Osong Public Health and Research Perspectives 제14권 제2호

발행연도: 2023.4

수록면: 89 - 99 (11page)

DOI: 10.24171/j.phrp.2022.0312

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Objectives: This study aimed to classify coronavirus disease 2019 (COVID-19)-related deaths according to whether COVID-19 was listed as the cause of death, and to investigate the differences in demographic characteristics and risk factors for COVID-19 death classifications.Methods: A total of 5,625 deaths in South Korea among patients with confirmed COVID-19 from January 20, 2020 to December 31, 2021 were selected. Excluding false reports and unnatural deaths, 5,597 deaths were analyzed. Based on death report data, deaths were classified according to whether the cause of death was listed as COVID-19 (CD) or not (NCD). The epidemiological characteristics and causes of deaths were investigated using descriptive, univariate, and multivariate statistical analyses. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to analyze the risk factors.Results: The case fatality ratio was 0.89% and increased with age. Additionally, 96.4% of the subjects had an underlying disease, and 53.4% died in winter. The proportion of NCDs was 9.3%, of whom 19.1% died at home and 39.0% were confirmed to have COVID-19 after death. Malignant neoplasms (102/416 vs. 637/4,442; OR, 1.71; 95% CI, 1.36−2.16; p<0.001) were significantly associated with NCD.Conclusion: This is the first study to analyze risk factors by cause of death using COVID-19 death report data in South Korea. These results are expected to be used as evidence for establishing a death monitoring system that can collect timely information in a new infectious disease pandemic.

#COVID-19 #Death #Republic of Korea #Risk factors

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