. 2020 Jun 12;15(1):95–105. doi: 10.4162/nrp.2021.15.1.95

Table 2. Anthropometric prediction equations for lean body mass, appendicular skeletal muscle mass, and fat mass among men.

Characteristics		LBM (kg)				ASM (kg)				BFM (kg)
Characteristics		Eq 1	Eq 2	Eq 3	Eq 4	Eq 1	Eq 2	Eq 3	Eq 4	Eq 1	Eq 2	Eq 3	Eq 4
Intercept		0.711	1.025	−0.172	−0.296	−1.546	−1.475	−2.224	−2.236	−0.450	−0.770	0.374	0.561
Age (yrs)		0.007	0.008	0.007	0.012	−0.012	−0.012	−0.012	−0.011	−0.007	−0.007	−0.006	−0.012
Height (cm)		0.132	0.133	0.136	0.134	0.079	0.079	0.081	0.081	−0.131	−0.131	−0.134	−0.133
Weight (kg)		0.675	0.676	0.670	0.675	0.327	0.327	0.323	0.324	0.311	0.309	0.315	0.310
WC (cm)		−0.203	−0.203	−0.196	−0.201	−0.124	−0.124	−0.119	−0.121	0.201	0.201	0.194	0.199
SCr (mg/dL)			−0.462	−0.363	−0.249		−0.104	−0.046	−0.008		0.469	0.373	0.253
Physical activity
	Moderate			0.272	0.270			0.202	0.200			−0.248	−0.247
	Vigorous			0.969	0.924			0.600	0.587			−0.928	−0.878
Smoking habit
	Ex				−0.559				−0.195				0.708
	Current				0.234				−0.016				−0.275
Alcohol use
	Moderate				−0.046				0.004				0.077
	Heavy				0.324				0.151				−0.291
Adjusted R²		0.853	0.853	0.856	0.858	0.808	0.808	0.812	0.812	0.735	0.735	0.740	0.745
SEE		2.716	2.714	2.687	2.667	1.581	1.581	1.564	1.562	2.748	2.747	2.722	2.695
P_{12, 13, or 14}¹⁾			0.013	< 0.001	< 0.001		0.338	< 0.001	< 0.001		0.013	< 0.001	< 0.001
P_{23 or 24}				< 0.001	< 0.001			< 0.001	< 0.001			< 0.001	< 0.001
P₃₄					< 0.001				0.001				< 0.001

LBM, lean body mass; ASM, appendicular skeletal muscle mass; BFM, body fat mass; Eq, equation; WC, waist circumference; SCr, serum creatinine; SEE, standard error of estimate.

¹⁾P_{12, 13, or 14} means the P-value of likelihood ratio tests between equation 1 and equation 2, 3, or 4.