From: The association between frailty and severe disease among COVID-19 patients aged over 60 years in China: a prospective cohort study
Frailty status
Minimal adjusted model*
Adjusted model#
Hazard ratio (95% confidence interval)
Non-frail
Ref.
Pre-frail
4.86 (1.61–14.71)
5.01 (1.16–12.61)
Frail
10.54 (3.57–31.11)
7.47 (1.73–32.34)