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Table 1 Frailty Components: Cut-points for the CHS and the FRéLE data sets

From: Revisiting the hypothesis of syndromic frailty: a cross-sectional study of the structural validity of the frailty phenotype

CHS Definition* CHS Sample* (%) WHAS Sample* (%) FRéLE Definition FRéLE Sample (%)
Weight loss 7,3% 12,7% Weight loss 13.3%
Lost > 10 ponds in last year    Self-reported unintentional weight loss of 10% of normal weight or 4.5 kg or more.  
Exhaustion 21.3% 14,1% Exhaustion 20.1%
Self-Report of either of:    The “vitality” subscale of the SF-36:  
i) Felt that everything I did was an effort in the last week, or    First quintile at 46.88  
ii) could not get going in the last week     
Low energy 24,1% 19.8% Low energy 20.4%
270 on activity scale (18 items)    Physical Activity Scale for the Elderly  
    First quintile at 32.33 for women  
    First quintile at 39.35 for men  
Slowness 38,0% 31.3% Slowness 20.9%
Walking 15 ft (4.57 m):    Guralnik’s mobility performance tests adjusted for a 4.572 m (15 ft) distance:  
Time ≥ 7 cm/s for height ≤ 159 cm or    Women: Time ≥ 5.6 cm/s (first quintile) for height ≤ 155.81 cm (average) or  
Time ≥ 6 cm/s for height > 159 cm    Women: Time ≥ 6.54 cm/s (first quintile) for height > 155.81 cm (average)  
    Men: Time ≥ 6.3 cm/s (first quintile) for height ≤ 169.55 cm (average) or  
    Men: Time ≥ 7.0 cm/s (first quintile) for height > 169.55 cm (average)  
Weakness 26,2% 20,8% Weakness 20%
Grip strength ≤17 for BMI ≤23 kg/m2;    Martin Vigorimeter using the American Society of Hand Therapists procedure:  
Grip strength ≤17,3 for BMI 23,1–26 kg/m2;    Women: Grip strength ≤37.0 (first quintile) for BMI ≤23.49 kg/m2 (first quintile**)  
Grip strength ≤18 for BMI 26,1–29 kg/m2;    Women: Grip strength ≤35 .0 for BMI > 23.49 - ≤25.97 kg/m2 (second quintile)  
Grip strength ≤21 for BMI > 29 kg/m2;    Women: Grip strength ≤35.0 for BMI > 25.97 - ≤28.56 kg/m2 (third quintile)  
    Women: Grip strength ≤35.0 for BMI > 28.56 - ≤32.11 kg/m2 (fourth quintile)  
    Women: Grip strength ≤ 35.0for BMI > 32.11 kg/m2 (fourth quintile)  
    Men: Grip strength ≤47.4 (first quintile) for BMI ≤24.17 kg/m2 (first quintile)  
    Men: Grip strength ≤55.0 for BMI > 24.17 - ≤26.42 kg/m2 (second quintile)  
    Men: Grip strength ≤55.0 for BMI > 26.42 - ≤28.59 kg/m2 (third quintile)  
    Men: Grip strength ≤53.6 for BMI > 28.59 - ≤31.31 kg/m2 (fourth quintile)  
    Men: Grip strength ≤55.0 for BMI > 31.31 kg/m2 (fourth quintile)  
Overall frailty status    Overall frailty status  
Robust 33.2% 44,9% Robust 49,7%
Pre-frail 55.2% 43,8% Pre-frail 38,3%
Frail 11.6% 11,3% Frail 12,0%
  1. * Obtained from Bandeen-Roche et al. (2006), Table 1, page 263
  2. ** Quintiles were used for BMI to obtain wider ranges on grip strength