Factors affecting the survival of early COVID-19 patients in South Korea: An observational study based on the Korean National Health Insurance big data

• DOI: 10.1016/j.ijid.2021.02.101
• Publication Date: 2021-02-26T17:59:10Z
• Authors: Kyeong Hyang Byeon; Dong Wook Kim; Jaiyong Kim; Bo Youl Choi; Boyoung Choi; Kyu Dong Cho
• Keywords: Case fatality rate

This study aimed to identify the survival rate and explore factors affecting among early COVID-19 patients in South Korea.Data reported by Korea Disease Control Prevention Agency (KDCA), up 15 July, when was confirmed were used as research data connection with National Health Insurance Service's (NHIS) national health information database. The final analysis targets 12,646 303 deaths. of estimated through Kaplan-Meier analysis. Cox proportional hazard regression performed search for survival.When looking at age group men women, 28-day aged >80 years 77% 73% 42 days, while 83% 81% women. Men had a worse than For chronic diseases, highest risk mortality observed malignant neoplasms respiratory urogenital systems, followed diseases urinary system diabetes.The number deaths next day after initial diagnosis. case fatality high males, older age, diseases.