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Table 1 Criteria in our modified version compared to the original Fried phenotype model

From: Association between in-hospital frailty and health-related quality of life after stroke: the Nor-COAST study

Component Modified version Original Fried version
Exhaustion Feeling constantly fatigued for more than one week before the stroke Everything was an effort ≥3 days the last week
Low physical activity Engaging in exercise/ physical activities less than once a week before the stroke Kilocalories expended per week – lowest quintilea
Weight loss Unintentional weight loss of ≥3.0 kg the last 6 months before the stroke Unintentional loss of ≥4.5 kg OR ≥ 5% of body weight the last year
Slow gait speed- Gait test, 4 m Duration ≥6 s OR not able Duration ≥6 s (women ≥ 159 cm; men > 173 cm)
Duration ≥7 s (women < 159 cm; men < 173 cm)
Weak grip strength – Jamar® dynamometer Best measure on strongest hand, using value-sets by Fried et al.b OR not able Best measure on dominant hand, using value-sets by Fried et al.b
  1. Kcals Kilocalories; BMI Body mass index
  2. a Men < 383 Kcals/week; Women < 270 Kcals/week
  3. b Limits by Fried: Women: BMI ≤ 23.0 or missing BMI, ≤ 17.0 kg; BMI 23.1–26.0, ≤ 17.3 kg; BMI 26.1–29.0, ≤ 18.0 kg; BMI > 29.0, ≤ 21.0 kg;
  4. Men: BMI ≤ 24.0 or missing BMI, ≤ 29.0 kg; BMI 24.1–28.0, ≤ 30.0 kg; BMI > 28, ≤ 32.0 kg