Table 2 

Continuous Variable Cutpoints 

Variable 
Deficit for Men 
Deficit for Women 
Source of cut point 


Peak Flow (liters/min) 
≤ 340 
≤ 310 
Plotted verses frailty index 
Body Mass Index (BMI) 
<18.5, ≥ 30 as a deficit. 25<30 as a 'half deficit' 
<18.5, ≥ 30 as a deficit. 25<30 as a 'half deficit' 
Published [34] 
Shoulder Strength (kg) 
≤ 12 
≤ 9 
Plotted verses frailty index 
Grip Strength (GS in kg) 
For BMI ≤ 24, GS ≤ 29 For BMI 24.1–28, GS ≤ 30 For BMI >28, GS ≤ 32 
For BMI ≤ 23, GS ≤ 17 For BMI 23.1–26, GS ≤ 17.3 For BMI 26.1–29, GS ≤ 18 For BMI>29, GS ≤ 21 

Rapid pace Walk (sec) 
>10 
>10 
Published [15] 
Usual pace Walk (sec) 
>16 
>16 
Plotted verses frailty index 


Deficit cut off values for continuous variables by sex and source of cut off. 

Searle et al. BMC Geriatrics 2008 8:24 doi:10.1186/14712318824 