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Table 2 Continuous Variable Cut-points

From: A standard procedure for creating a frailty index

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

Published [15, 22]

Rapid pace Walk (sec)

>10

>10

Published [15]

Usual pace Walk (sec)

>16

>16

Plotted verses frailty index

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