Table 1.

Criteria for the phenotypic definition of frailty developed by Fried et al.¹

Weight loss	>5 kg/year
Exhaustion	Depression scale CES-D (2 points)
Weakness	Grip strength (lowest 20%)
Gait speed	5 m (slowest 20%)
Low physical activity	Kcal/week (lowest 20%)
Diagnosis of frailty	3 or more criteria met
Diagnosis of prefrailty	1-2 criteria met