Table 2.

Computed Tomography Assessment of sarcopenia

Study	Muscles Measured	Level	Cut-off value/Definition
Moisey 2013	Skeletal Muscle Index	L3	Males < 55.4cm2/m2 Females < 38.9cm2/m2
Hoogt 2018	Skeletal muscle area index	L3	No definition of sarcopenia
Ji 2018	Skeletal muscle area index	L3	Male < 40.8cm2/m2 Female < 34.9cm2/m2
Shibahashi 2017	Skeletal muscle area	L3	Men < 45.2 cm2 Women < 39.0 cm2
Cho 2019	psoas cross-sectional area	L3	Males < 5.45cm2/m2 Female < 3.85cm2/m2
Toledo 2018	Skeletal muscle area index	L3	Male < 55.27 cm2/m2 Female < 40.13 cm2/m2
Kou 2019	Total psoas area	L3	Male < 545mm2/m2 Female < 385 mm2/m2
Tanabe 2019	Masseter cross-sectional area	2 cm below the zygomatic arch in the axial plane	Male < 438.6 (100.2) mm2 Female < 347.8 (87.5) mm2
Kaplan 2017	Skeletal muscle area index	L3	Males < 52.4 cm2/m2 Female < 38.5cm2/m2
Ebbeling 2014	Psoas: L4Vertebral Index	L4 inferior body	< 50 percentile of PLVI(≤ 0.83)
Akahoshi 2016	Skeletal muscle area	L3 caudal end	Measured SMA < 80 % estimated SMA
Baggerman 2020	Skeletal muscle area index	L3	Males < 41.6 cm2/m2 Females < and 32.0 cm2/m2
Hwang 2019	Skeletal muscle area index	L3	Males < 55.4 cm2/m2 Females < 38.9 cm2/m2
Joyce 2020	Skeletal muscle area	L3	Females < 110 cm2 Males < 170 cm2