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KMID : 0387320210310040508
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Korean Journal of Health Policy and Administration
2021 Volume.31 No. 4 p.508 ~ p.517
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Changes in Health Care Utilization during the COVID-19 Pandemic
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Oh Jeong-Yoon
Cho Su-Jin
Choi Ji-Sook
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Abstract
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Background: After the first case of coronavirus disease 2019 (COVID-19) in January 2020, Korea has experienced three waves in2020. This study aimed to analyze changes in health care utilization according to the period of the 1st to 3rd waves of the COVID-19pandemic.
Methods: We analyzed 3,354,469,401 national health insurance claims from 59,104 medical facilities between 2017 and 2020.
Observed-to-expected ratios (O:E ratio) with data from 2017 to 2019 as expected values and data from 2020 as observed valueswere obtained to analyze changes in medical utilization. T-test was used to test whether the difference of observed and expectedvalues was statistically significant.
Results: In 2020, the O:E ratio was 0.894, indicating a decrease in health care utilization overall during the pandemic. The O:E ratioof the 1st wave was 0.832, which was lower than those of the second (0.886) and third (0.873) waves. Health care utilizationdecreased relatively more among outpatient, women, children and adolescents, and health insurance patients. And health careutilization decreased more in small medical facilities and in Daegu and Gyeongbuk during the first wave. During the pandemic, the O:Eratios of respiratory diseases were 0.486-0.694, while chronic diseases and mental diseases were more than 1.0.
Conclusion: Health care utilization decreased during the COVID-19 pandemic overall, and there were differences by COVID-19 waves,and by the characteristics of patients and medical facilities. It is necessary to understand the cause of changes in health careutilization in order to cope with the prolonged COVID-19 pandemic.
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KEYWORD
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COVID-19, Pandemic, Inpatients, Outpatients
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