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s2smodern

The study presents an analysis of the current smoking prevalence among hospitalized patients with COVID-19 in China, compared to the population smoking prevalence in China (52.1% in males and 2.7% in females). Through a systematic research of the literature (PubMed) we identified 7 studies examining the clinical characteristics of a total of 2352 hospitalized COVID-19 patients that presented data on the smoking status. The expected number of smokers was calculated using the formula Expected smokers = (males x 0.521) + (females x 0.027). [...]