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Smoking Is Associated With COVID-19 Progression: A Meta-analysis

Nicotine & tobacco research, 2020-08, Vol.22 (9), p.1653-1656 [Peer Reviewed Journal]

The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco. All rights reserved.For permissions, please e-mail: journals.permissions@oup.com. 2020 ;The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco. All rights reserved.For permissions, please e-mail: journals.permissions@oup.com. ;ISSN: 1469-994X ;ISSN: 1462-2203 ;EISSN: 1469-994X ;DOI: 10.1093/ntr/ntaa082 ;PMID: 32399563

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  • Title:
    Smoking Is Associated With COVID-19 Progression: A Meta-analysis
  • Author: Patanavanich, Roengrudee ; Glantz, Stanton A
  • Subjects: Betacoronavirus ; Commentaries ; Coronavirus Infections - complications ; Coronavirus Infections - epidemiology ; Coronavirus Infections - physiopathology ; COVID-19 ; Disease Progression ; Humans ; Pandemics ; Pneumonia, Viral - complications ; Pneumonia, Viral - epidemiology ; Pneumonia, Viral - physiopathology ; Risk Factors ; SARS-CoV-2 ; Smoking - epidemiology ; Smoking - physiopathology
  • Is Part Of: Nicotine & tobacco research, 2020-08, Vol.22 (9), p.1653-1656
  • Description: Abstract Introduction Smoking depresses pulmonary immune function and is a risk factor contracting other infectious diseases and more serious outcomes among people who become infected. This paper presents a meta-analysis of the association between smoking and progression of the infectious disease COVID-19. Methods PubMed was searched on April 28, 2020, with search terms “smoking”, “smoker*”, “characteristics”, “risk factors”, “outcomes”, and “COVID-19”, “COVID”, “coronavirus”, “sar cov-2”, “sar cov 2”. Studies reporting smoking behavior of COVID-19 patients and progression of disease were selected for the final analysis. The study outcome was progression of COVID-19 among people who already had the disease. A random effects meta-analysis was applied. Results We identified 19 peer-reviewed papers with a total of 11,590 COVID-19 patients, 2,133 (18.4%) with severe disease and 731 (6.3%) with a history of smoking. A total of 218 patients with a history of smoking (29.8%) experienced disease progression, compared with 17.6% of non-smoking patients. The meta-analysis showed a significant association between smoking and progression of COVID-19 (OR 1.91, 95% confidence interval [CI] 1.42-2.59, p = 0.001). Limitations in the 19 papers suggest that the actual risk of smoking may be higher. Conclusions Smoking is a risk factor for progression of COVID-19, with smokers having higher odds of COVID-19 progression than never smokers. Implications Physicians and public health professionals should collect data on smoking as part of clinical management and add smoking cessation to the list of practices to blunt the COVID-19 pandemic.
  • Publisher: US: Oxford University Press
  • Language: English
  • Identifier: ISSN: 1469-994X
    ISSN: 1462-2203
    EISSN: 1469-994X
    DOI: 10.1093/ntr/ntaa082
    PMID: 32399563
  • Source: MEDLINE
    Alma/SFX Local Collection
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