Table 1.

Descriptive characteristics for the 3 groups in study 1

		Elective THA
Variable	Control	Total	Surgical	Contralateral	HFX
Age, yr	54.6 ± 2.4	55.2 ± 1.9			44.1 ± 4.1†
Gender	12M, 7F	9M, 6F			7M, 4F
BMI, kg/m2	25.6 ± 0.7	26.1 ± 1.2			30.5 ± 1.9
Lower limb muscle mass, g			8,554 ± 616*	9,174 ± 680

Values are means ± SE.

THA, total hip arthroplasty; HFX, hip fracture; BMI, body mass index; M, male; F, female.

^*Different from contralateral, P < 0.05.

^†Different from all other groups, P < 0.05.