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. 2024 Aug 29;19:1493–1505. doi: 10.2147/CIA.S474547

Table 2.

The Fried Frailty Phenotype (FFP)

FFP diagnostic criteria Measurement methods
Slowness Walking time/15 feet: slowest 20% (by gender, height)
Weakness Grip strength: lowest 20% (by gender, body mass index)
Unexplained weight loss Weight loss of 10 lb or greater than 5% weight loss in the past year
Poor endurance and energy Using the CES–D Depression Scale (self-reported)
Low physical activity level Kcals/week: lowest 20%
Males: 383 Kcals/week
Females: 270 Kcals/week