Table 2.

Standardized β coefficients between BCAA and body compositions assessed by DXA

Model 1: age, sex, SSMI, SFMI			R 2	SSMI	P value	SFMI	P value
	Non‐DM	BCAAs	0.123	−0.082	0.3941	0.323	0.0003
		Val	0.085	−0.102	0.3019	0.299	0.0011
		Leu	0.140	−0.032	0.7359	0.294	0.0009
		Ile	0.104	−0.066	0.7748	0.272	0.0030
	DM	BCAAs	0.115	0.463	0.0010	−0.308	0.0095
		Val	0.077	0.433	0.0026	−0.307	0.0116
		Leu	0.125	0.434	0.0019	−0.293	0.0131
		Ile	0.145	0.457	0.0010	−0.252	0.0305
Model 2: age, sex, ASMI, AFMI, TFMI			R 2	ASMI	P value	AFMI	P value	TFMI	P value
	Non‐DM	BCAA	0.213	0.076	0.4195	−0.520	0.0001	0.722	<0.0001
		Val	0.153	0.040	0.6826	−0.464	0.0011	0.651	<0.0001
		Leu	0.237	0.121	0.1913	−0.536	<0.0001	0.714	<0.0001
		Ile	0.135	0.065	0.5093	−0.380	0.0076	0.560	<0.0001
	DM	BCAA	0.126	0.508	0.0008	−0.423	0.0145	0.188	0.2423
		Val	0.085	0.504	0.0011	−0.360	0.0408	0.106	0.5172
		Leu	0.149	0.491	0.0010	−0.460	0.0071	0.232	0.1426
		Ile	0.136	0.399	0.0075	−0.398	0.0204	0.266	0.0962
Model 3: age, sex, ASMI, AFMI, VAT area			R 2	ASMI	P value	AFMI	P value	VAT area	P value
	Non‐DM	BCAAs	0.158	0.107	0.2723	−0.236	0.0402	0.439	<0.0001
		Val	0.110	0.067	0.4990	−0.211	0.0731	0.401	0.0001
		Leu	0.172	0.152	0.1146	−0.234	0.0402	0.406	<0.0001
		Ile	0.113	0.088	0.3767	−0.185	0.1155	0.374	0.0003
	DM	BCAAs	0.139	0.494	0.0010	−0.419	0.0038	0.225	0.0895
		Val	0.091	0.494	0.0014	−0.369	0.0127	0.145	0.2867
		Leu	0.162	0.478	0.0013	−0.439	0.0022	0.254	0.0531
		Ile	0.162	0.380	0.0098	−0.392	0.0060	0.319	0.0155

AFMI, appendicular fat mass index; ASMI, appendicular skeletal muscle mass index; BCAA, branched‐chain amino acid; DM, diabetes; DXA, dual‐energy X‐ray absorptiometry; Ile, isoleucine; Leu, leucine; R ², coefficient of determination; SFMI, systemic fat mass index; SSMI, systemic skeletal muscle mass index; TFMI, trunk fat mass index; Val, valine; VAT, visceral adipose tissue.