A clinically recognizable state of increased vulnerability resulting from a decline in reserve and function across multiple physiologic systems such that the ability to cope with everyday or acute stressors is compromised.
Comment:
There is no objective test for frailty. An operational definition recognizes frailty in an individual who has three out of the following five criteria: (i) low grip strength; (ii) low energy; (iii) slowed waking speed; (iv) low physical activity; and (v) unintentional weight loss.