Retrospective observational study
77
Beijing YouAn Hospital from January 21 to February 8 2020
Clinical characteristics and durations of hospitalized patients with COVID-19 in Beijing: a retrospective cohort study
0
COVID-19 (severe/critical)
Comorbidities
Hypertension
Not present
Present
Odds ratio
4.080 (1.270-13.100)
No
Yes