“…As the pandemic advances, other investigations on the associations of frailty, organ support, and long-term survival in critically ill patients with COVID-19 might provide new insights. However, recent systematic reviews studying frailty in hospitalized COVID-19 patients demonstrated that all reports concern databases from 2020, similar to ours (3, 27). And the association of the concept of frailty with ICU outcomes has been demonstrated before COVID-19 (23), highlighting that it is not specific to this infectious disease.…”