Table 1. Characteristics of participants, body composition and skeletal muscle mass index in both females and males.

Characteristics	Women			Men
	HF group (n = 272)	NF group (n = 950)	P value	HF group (n = 87)	NF group (n = 664)	P value
Age, yr	78.27 ± 9.79	64.1 ± 9.13	< 0.001	75.33 ± 8.65	63.3 ± 8.77	< 0.001
Height, cm	153.58 ± 6.06	153.06 ± 5.94	0.201	167.06 ± 6.35	165.92 ± 6.07	0.104
Weight, kg	53.52 ± 9.8	56.3 ± 8.41	< 0.001	60.61 ± 9.22	64.95 ± 10.07	< 0.001
BMI, kg/m2	22.54 ± 3.95	23.99 ± 3.09	< 0.001	21.72 ± 3.07	23.53 ± 3.03	< 0.001
Total femur BMD, g/cm2	0.6 ± 0.15	0.82 ± 0.15	< 0.001	0.7 ± 0.17	0.85 ± 0.14	< 0.001
Femur neck BMD, g/cm2	0.46 ± 0.1	0.82 ± 0.15	< 0.001	0.55 ± 0.14	0.61 ± 0.12	< 0.001
Total spine BMD, g/cm2	0.62 ± 0.12	0.66 ± 0.13	< 0.001	0.62 ± 0.14	0.68 ± 0.13	< 0.001
Whole body T-score	-3.14 ± 1.12	-1.78 ± 1.26	< 0.001	-2.58 ± 1.13	-0.71 ± 1.26	< 0.001
Arm lean mass, kg	3.13 ± 1.21	3.41 ± 0.56	< 0.001	3.99 ± 1.94	5.64 ± 0.91	< 0.001
Leg lean mass, kg	9.03 ± 3.38	11.34 ± 1.6	< 0.001	10.94 ± 4.87	16.15 ± 2.48	< 0.001
Appendicular SMI, kg/m2	5.14 ± 1.9	6.32 ± 0.7	< 0.001	5.41 ± 2.29	7.89 ± 0.91	< 0.001
25(OH)D	15.07 ± 10.21	21.8 ± 7.72	< 0.001	14.55 ± 9.24	25.4 ± 7.45	< 0.001
PTH	70.62 ± 75.76	60.68 ± 26.02	0.001	75.4 ± 96.96	58.74 ± 24.5	0.001

BMI, Body mass index; BMD, Bone mineral density; SMI, Skeletal muscle index; PTH, Parathyroid hormone.