Fig. 2
From: Caring for the critically ill patients over 80: a narrative review
Impact of acute stress on fit or frail elderly. Physiological aging, comorbidities and functional dependency are the main components of frailty syndrome, leading to decrease in reserve capacities. At baseline, impact of frailty on survival is slight but its weight dramatically grows in case of acute stress (all medical events leading to ICU admission) and increase the risk of death comparatively to the fit elderly