Observational study
110
respiratory ICU admissions of Central Hospital of Wuhan from Jan 1-Feb 10, 2020
Clinical Characteristics of Patients with Severe Pneumonia Caused by the 2019 Novel Coronavirus in Wuhan, China
0
COVID-19 (severe/critical)
Patient characteristics
Smoking
Not present
Present
Odds ratio
1.000 (0.400-2.530)
No