Prospective observational study
339
age over 60 years old admitted to Renmin Hospital of Wuhan University from Jan 1 to Feb 6, 2020 (followed up until March 5)
Coronavirus Disease 2019 in elderly patients: characteristics and prognostic factors based on 4-week follow-up [Journal of Infection]
0
COVID-19 (death)
Comorbidities
COPD
Chronic obstructive pulmonary disease
Not present
Present
Hazard ratio
2.240 (1.120-4.500)
No
Yes
age, cardiovascular disease, cerebrovascular disease, COPD