Smoking is associated with progression of COVID-19 disease (search done on 28 April 2020)

Added June 15, 2020

Citation: Patanavanich R, Glantz SA. Smoking is associated with COVID-19 progression: a meta-analysis. Nicotine & Tobacco Research. 2020 May 11:ntaa0082.

What is this? Smokers are more vulnerable to poor outcomes of respiratory infections, such as COVID-19, and it is important to know if they are more likely to progress to severe or critical disease or death.

In this rapid review, the authors searched for comparative studies exploring the association of smoking with COVID-19 disease progression. They restricted their searches to articles published in any language between January 2020 and April 2020 and did the search on 28 April 2020. They included 19 studies from China (16 studies), Korea (1) and the USA (2), using data from a total of 11,590 patients in their meta-analysis.

What was found: At the time of this review, the included studies showed that smoking increases the risk of severe infection and complications related to COVID-19; with smokers being approximately twice as likely to progress to severe or critical disease or death.

 

Disclaimer: This summary has been written by staff and volunteers of Evidence Aid in order to make the content of the original document accessible to decision makers who are searching for the available evidence on the coronavirus (COVID-19) but may not have the time, initially, to read the original report in full. This summary is not intended as a substitute for the medical advice of physicians, other health workers, professional associations, guideline developers, or national governments and international agencies. If readers of this summary think that the evidence that is presented within it is relevant to their decision-making they should refer to the content and details of the original article, and the advice and guidelines offered by other sources of expertise, before making decisions. Evidence Aid cannot be held responsible for any decisions made about the coronavirus (COVID-19) on the basis of this summary alone.

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