China
Review
0
PubMed and Embase were searched for records published between December 1, 2019 and March 20, 2020.
The relationship of COVID-19 severity with cardiovascular disease and its traditional risk factors: A systematic review and meta-analysis, 3 studies used: Guan, CDC, Zhou
COVID-19 (severe/critical)
COVID-19 (critical)
Patient characteristics
Smoking
Smoking history
No history of smoking
History of smoking
Odds ratio
3.050 (1.180-7.840)
No
Yes
pooled odds ratio
review
Average