https://www.selleckchem.com/pr....oducts/nms-p937-nms1
Mortality among smokers was 29.4% compared to 17.0% among non-smokers. RR was 2.07 (95% CI 1.59, 2.69). Based on analysis of four studies (532 patients), there was no difference in mortality risk between current and former smokers (RR 1.03; 95% CI 0.75, 1.4. Conclusions Smoking, current or past, is associated with higher mortality in COVID-19 patients. Mortality among current smokers was about 50% greater than former smokers, but the difference was not statistically significant.Background and objective Parkinson's disease
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