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T he 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). We identified 5 studies examining the clinical characteristics of hospitalized COVID-19 patients that presented data on the smoking status. T he expected number of smokers was calculated using the formula Expected smokers = (males x 0.521) + (females x 0.027). An unusually low prevalencedoi:10.32388/z69o8a.2 fatcat:newxa4szwne4zn674q2bjtpcve