China
Retrospective cohort study
Medical records
4880
suspected or at high risk of infection because of, (1) typical respiratory infection symptoms such as fever, cough and hard breath, or (2) close contact with a SARS-CoV-2 patients
2251 were man (46.13%), 2629 were women (53.87%). The Median Age was 50 years (IQR = 27)
Not stated
0
SARS COV-2 infection
1875
positive by RT-PCR-based NAT test with their respiratory specimens
Patient characteristics
Age
none
Not applicable
1 year increase
Odds ratio
1.033 (1.029-1.037)
No
Yes
risk was adjusted for gender
None
Good