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1,938/ Italy (adult smoking rate was 23.7% in 2016) Of 100 with severe Covid-19, 20 were active smokers Of 66 (effectively unmatched) controls, 20 were active smokers (30.3%) https://t.co/KGE6hlCT6r
1,938/ Italy (adult smoking rate was 23.7% in 2016) Of 100 with severe Covid-19, 20 were active smokers Of 66 (effectively unmatched) controls, 20 were active smokers (30.3%) https://t.co/KGE6hlCT6r