• Su-Jin Lee, Myung-Gwan Kim, Jung Hee Kim, Chulyong Park, Aeryoung Kim, and Jong-Moon Hwang.
• Graduate School of Public Health, Kyungpook National University.
• Medicine (Baltimore). 2022 Aug 19; 101 (33): e29980e29980.

AbstractThe coronavirus disease (COVID-19) has spread globally; however, the COVID-19 mortality rate varies largely across countries. The purpose of this study was to investigate the factors affecting mortality and increase in mortality rate by time trends in 30 member countries of the Organization for Economic Co-operation and Development (OECD). These countries have different national health and medical characteristics in terms of health care use, health equipment, health resource, health risk, and health status at different time points. The results revealed that the lower 25% of countries had an increase in the mortality rate of 27.21% which was higher than the upper 25% of countries' increase in the mortality rate of 20.51%. Therefore, the affected countries should strengthen their medical infrastructure to prepare for such large-scale outbreaks in the future. It is imperative to reduce the health inequality between population groups and achieve health equity, regardless of the income gap, rather than vaccination of specific countries. This will require the management of non-communicable diseases, a solid health insurance system, a stable supply of medical supplies, and strengthening the competency of health care workers.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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