Table 1 Comparison of definition/characteristics and cutoff values for sarcopenia by EWGSOP, AWGS, and IWGS criteria

Definition/characteristics

A syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength with a risk of adverse outcomes

Age-related decline of skeletal muscle plus low muscle strength and/or physical performance

Age-associated loss of skeletal muscle mass and function

SMI

7.26 kg/m² for men and 5.5 kg/m² for women (by DXA). 8.87 kg/m² for men and 6.42 kg/m² for women (by BIA)

7.0 kg/m² for men and 5.4 kg/m² for women (by DXA). 7.0 kg/m² for men and 5.7 kg/m² for women (by BIA)

7.23 kg/m² for men and 5.67 kg/m² for women (by DXA)

Walking speed

<0.8 m/s

<0.8 m/s

<1.0 m/s

Grip force

<30 kg for men

<20 kg for women

<26 kg for men

<18 kg for women

Not specified