Table 1
Most common diagnostic test for sarcopenia
Measure | Test | Sarcopenia diagnostic cut‐offs |
---|---|---|
Handgrip strength | Hand‐held hydraulic dynamometer 31 | <27 kg in men, <16 kg in women 32 |
ASM | DEXA,BIA 29 | <20 kg in men, <15 kg in women 30 |
ASM/height2 | DEXA,BIA | <7.0 kg/m2 in men, <5.5 kg/m2 in women 33 |
L3SMI | CT scan | <52.4 cm 2 /m 2 in men, <38.5 cm 2 /m 2 in women 34 |
L3SMI | CT scan | <53 cm 2 /m 2 or <43 cm 2 /m 2 if BMI <25 kg/m 2 in men, <41 cm 2 /m 2 in women |
L1SMI 35 | CT scan | To be validated |
Gait speed | — | ≤0.8 m/s 29 |
Timed up and go test | — | ≥20 s 29 |
Abbreviations: ASM, appendicular muscle mass; BIA, bioelectrical impedance analysis; DEXA, dual‐energy X‐ray absorptiometry; L1SMI, L1 skeletal muscle index, defined as the muscle cross‐sectional area (CSA) at L3 (cm2) divided by the height squared (m2); L3SMI, L3 skeletal muscle index, defined as the muscle cross‐sectional area (CSA) at L3 (cm2) divided by the height squared (m2).