Frailty components and definitions
| Fried12 | Current | |
|---|---|---|
| Weight loss | BMI ≤18.5 kg/m2, or self-report that lost ≥10 pounds in the last year | BMI ≤18.5 kg/m2, or self-report of unintentional weight loss in past month (from SLAQ) |
| Exhaustion | Self-report of either: felt that everything I did was an effort in the last week, or could not get going in the last week (from CESD). | Same |
| Low energy expenditure/inactivity | Minnesota Leisure Time Activity Questionnaire, threshold score 90 | IPAQ, low activity according to IPAQ scoring |
| Slowness | Walking 4 m: Time ≥6.13 s for height ≤159 cm, or time ≥5.25 s for height >159 cm | Same |
| Weakness | Grip strength: ≤17 for BMI ≤23 kg/m2; ≤17.3 for BMI 23.1–26 kg/m2; ≤18 for BMI 26.1–29 kg/m2 or ≤21 for BMI >29 kg/m2 | Same |
BMI, body mass index; CESD, Center for Epidemiologic Studies Depression scale;31 IPAQ, International Physical Activity Questionnaire;32 ,33 SLAQ, Systemic Lupus Activity Questionnaire.