Asthma, from mild to severe, is an independent prognostic factor for mild to severe Coronavirus disease 2019 (COVID‐19)

Background Chronic illnesses were reported to be poor prognostic factors associated with severe illness and mortality in Coronavirus disease 2019 (COVID‐19) infection. The association with asthma, however, is limited and controversial, especially for mild asthma. Methods A territory wide retrospecti...

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Bibliographic Details
Published in:The Clinical Respiratory Journal 2022-04, Vol.16 (4), p.293-300
Main Authors: Kwok, Wang Chun, Tam, Anthony Raymond, Ho, James Chung Man, Lam, David Chi Leung, Tam, Terence Chi Chun, Chan, King Pui Florence, Wang, Julie Kwan Ling, Ip, Mary Sau Man, Hung, Ivan Fan Ngai
Format: Article
Language:English
Subjects:
Asthma
Asthma - complications
Asthma - epidemiology
Coronaviruses
COVID-19
COVID-19 - complications
COVID-19 - epidemiology
Disease
Female
Humans
invasive mechanical ventilation
Male
Medical prognosis
Original
Prognosis
Retrospective Studies
SARS-CoV-2
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Summary:Background Chronic illnesses were reported to be poor prognostic factors associated with severe illness and mortality in Coronavirus disease 2019 (COVID‐19) infection. The association with asthma, however, is limited and controversial, especially for mild asthma. Methods A territory wide retrospective study was conducted to investigate the association between asthma and the prognosis of COVID‐19. All patients with laboratory confirmed in Hong Kong for COVID‐19 from the 23 January to 30 September 2020 were included in the study. Severe diseases were defined as those who develop respiratory complications, systemic complications, and death. Results Among the 4498 patients included in the analysis, 165 had asthma, with 141 having mild asthma. Patients with asthma were significantly more likely to require invasive mechanical ventilation (incidence = 17.0% odds ratio [OR] = 4.765, p 
ISSN:1752-6981
1752-699X
DOI:10.1111/crj.13480