Table 1.

General characteristics and skeletal muscle volume and mass of affected women with FPLD and the 2 control groups

Variable	FPLD (n = 39)	Control Subjects		P Values ANOVA (ANCOVA)
		Group 1 (n = 17)	Group 2 (n = 129)
Age, y	36.7 ± 13.7	34.8 ± 11.5	38.4 ± 7.7	.29
Weight, kg	66.7 ± 9.8	62.6 ± 5.6	67.0 ± 11.0	.29
Height, cm	163.3 ± 5.6	164.3 ± 5.6	162.0 ± 8.0	.38
BMI, kg/m2	25.0 ± 3.3	23.2 ± 2.2	25.5 ± 3.6	.05
Body fat, %	20.1 ± 5.5	33.5 ± 5.9	34.7 ± 6.2	<.0001
Psoas muscle volume, mLa	210 ± 51	175 ± 34	165 ± 38	<.0001 (<.0001)‡
Thigh muscle volume, mLa	6358 ± 1491	5198 ± 716	NA	.004 (.002)c
Calf muscle volume, mLa	3133 ± 713	2397 ± 335	NA	.0002 (<.0001)c
Arm muscle mass, gb	5827 ± 1,207	3771 ± 599	4389 ± 770	<.0001 (<.0001)c
Leg muscle mass, gb	16 100 ± 2725	12 954 ± 1527	13 888 ± 2483	<.0001 (<.0001)c
Trunk soft tissue mass, gb	25 208 ± 3930	18 800 ± 1940	21 037 ± 2777	<.0001 (<.0001)c

Abbreviation: ANCOVA, analysis of covariance; NA, not available.

^aDetermined by axial MRI.

^bDetermined by whole-body DXA scans.

^cP value adjusted for age, BMI, and height.