D Simons
The association of smoking status with SARS-CoV-2 infection, hospitalisation and mortality from COVID-19: A living rapid evidence review with Bayesian meta-analyses (version 7).
Simons, D; Shahab, L; Brown, J; Perski, O
Authors
L Shahab
J Brown
O Perski
Abstract
To estimate the association of smoking status with rates of i) infection, ii) hospitalisation, iii) disease severity, and iv) mortality from SARS-CoV-2/COVID-19 disease. Living rapid review of observational and experimental studies with random-effects hierarchical Bayesian meta-analyses. Published articles and pre-prints were identified via MEDLINE and medRxiv. Community or hospital. No restrictions on location. Adults who received a SARS-CoV-2 test or a COVID-19 diagnosis. Outcomes were SARS-CoV-2 infection, hospitalisation, disease severity and mortality stratified by smoking status. Study quality was assessed (i.e. 'good', 'fair' and 'poor'). Version 7 (searches up to 25 August 2020) included 233 studies with 32 'good' and 'fair' quality studies included in meta-analyses. Fifty-seven studies (24.5%) reported current, former and never smoking status. Recorded smoking prevalence among people with COVID-19 was generally lower than national prevalence. Current compared with never smokers were at reduced risk of SARS-CoV-2 infection (RR=0.74, 95% Credible Interval (CrI) = 0.58-0.93, τ = 0.41). Data for former smokers were inconclusive (RR=1.05, 95% CrI = 0.95-1.17, τ = 0.17) but favoured there being no important association (21% probability of RR ≥1.1). Former compared with never smokers were at somewhat increased risk of hospitalisation (RR=1.20, CrI = 1.03-1.44, τ = 0.17), greater disease severity (RR=1.52, CrI = 1.13-2.07, τ = 0.29), and mortality (RR=1.39, 95% CrI = 1.09-1.87, τ = 0.27). Data for current smokers were inconclusive (RR=1.06, CrI = 0.82-1.35, τ = 0.27; RR=1.25, CrI = 0.85-1.93, τ = 0.34; RR=1.22, 95% CrI = 0.78-1.94, τ = 0.49 respectively) but favoured there being no important associations with hospitalisation and mortality (35% and 70% probability of RR ≥1.1, respectively) and a small but important association with disease severity (79% probability of RR ≥1.1). Compared with never smokers, current smokers appear to be at reduced risk of SARS-CoV-2 infection while former smokers appear to be at increased risk of hospitalisation, increased disease severity and mortality from COVID-19. However, it is uncertain whether these associations are causal. [Abstract copyright: This article is protected by copyright. All rights reserved.]
Citation
Simons, D., Shahab, L., Brown, J., & Perski, O. (2020). The association of smoking status with SARS-CoV-2 infection, hospitalisation and mortality from COVID-19: A living rapid evidence review with Bayesian meta-analyses (version 7). Addiction,
Journal Article Type | Review |
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Acceptance Date | Sep 23, 2020 |
Publication Date | Oct 2, 2020 |
Deposit Date | Oct 29, 2020 |
Publicly Available Date | Oct 29, 2020 |
Journal | Addiction (Abingdon, England) |
Print ISSN | 0965-2140 |
Electronic ISSN | 1360-0443 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Keywords | COVID-19, SARS-CoV-2, e-cigarettes, hospitalisation, infection, living review, mortality, nicotine replacement therapy, smoking, tobacco |
Public URL | https://rvc-repository.worktribe.com/output/1375444 |
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