Table 2.

Muscle mass measurements.

		Male	Female	p value
BIA
	Arm muscle mass, right (kg)	2.68 ± 0.44	1.67 ± 0.32	< 0.001
	Arm muscle mass, left (kg)	2.65 ± 0.43	1.65 ± 0.32	< 0.001
	Leg muscle mass, right (kg)	7.24 ± 1.03	5.25 ± 0.84	< 0.001
	Leg muscle mass, left (kg)	7.25 ± 1.01	5.25 ± 0.84	< 0.001
	arm SMI (kg/m2)	2.01 ± 0.26	1.45 ± 0.25	< 0.001
	leg SMI (kg/m2)	5.45 ± 0.48	4.58 ± 0.51	< 0.001
	aSMI (kg/m2)	7.46 ± 0.67	6.04 ± 0.71	< 0.001
Ultrasound
	TMT (mm)	38.7 ± 7.1	35.7 ± 7.2	0.004
	Rectus femoris muscle thickness (mm)	18.2 ± 5.0	16.9 ± 5.1	0.080
	Vastus intermedius muscle thickness (mm)	20.5 ± 4.0	18.8 ± 3.7	0.002
	Subcutaneous fat thickness (mm)	4.8 ± 2.3	8.5 ± 3.2	< 0.001

Values are expressed as mean ± standard deviation.

SMI, skeletal muscle mass index; aSMI, appendicular skeletal muscle mass index; TMT, thigh muscle thickness