Impacts of COVID-19 Prevention and Control Measures on Asthma-Related Hospital and Outpatient Visits in Yichang, China

Jinyi Wang, Dapeng Yin, Guoxing Li, Tianqi Wang, Yanli Zhang, Hui Gan and Jinfang Sun ()
Additional contact information
Jinyi Wang: Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Dapeng Yin: Hainan Center for Disease Control and Prevention, Haikou 570110, China
Guoxing Li: Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
Tianqi Wang: Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Yanli Zhang: Institute for Scientific Information, Yichang Center for Disease Control and Prevention, Yichang 443000, China
Hui Gan: The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
Jinfang Sun: Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing 102206, China

IJERPH, 2022, vol. 19, issue 20, 1-10

Abstract: This article investigates the impact of COVID-19 lockdown and regular epidemic prevention and control after lifting lockdown on asthma-related hospital and outpatient visits in Yichang. Data on the general outpatient department (GOPD), emergency department (ED) and intensive care unit (ICU) visits for asthma from 15 November 2019 to 21 May 2020 and the corresponding from 2018 to 2019 were collected from eight tertiary hospitals in municipal districts. The controlled interrupted time series (CITS) analysis was used to investigate the level and long-term trend changes of weekly asthma visits during lockdown and regular epidemic prevention and control, and stratified by type of visits and age. A total of 9347 asthma-related hospital and outpatient visits were analyzed. The CITS showed that after the implementation of lockdown, the weekly visits of asthma patients immediately decreased by 127.32 ( p = 0.002), and the level of GOPD and ED/ICU visits immediately decreased significantly. After implementation of regular prevention, the level and trend of overall weekly visits changed insignificantly compared with the lockdown period. The weekly visits of GOPD adults immediately increased by 51.46 ( p < 0.001), and the trend of ED/ICU adults decreased by 5.06 ( p = 0.003) visits per week compared with lockdown period. The COVID-19 lockdown in Yichang was related to the decrease in hospital and outpatient visits for asthma. After the implementation of subsequent regular prevention and control measure, only the GOPD visits of adults increased compared with lockdown period.

Keywords: COVID-19 lockdown; regular epidemic prevention and control; asthma; interruption time series; hospital and outpatient visits (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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