Table 2.

Principal component analysis. Loadings in men and women indicate the contribution of each variable (GU, glucose uptake) to principal components (PC1, PC2, PC3).

GU (μmol/kg tissue/min)	Men		Women		All
	PC1	PC2	PC1	PC2	PC1	PC2	PC3
Model 1
Age (years)	−0.205	0.895	−0.006	0.952	0.095	0.693	–
Body mass index (kg/m2)	−0.857	0.023	−0.724	−0.489	−0.829	0.108	–
Gender	–	–	–	–	−0.033	0.822	–
Skeletal muscle GU	0.833	−0.091	0.850	0.126	0.830	0.015	–
Subcutaneous adipose tissue GU	0.585	0.617	0.841	−0.206	0.703	0.240	–
Variance explained (%)	45	30	49	30	38	25	–
Model 2
Age (years)	−0.206	0.864	−0.039	0.881	−0.047	0.887	0.070
Body mass index (kg/m2)	−0.828	−0.057	−0.700	−0.442	−0.744	−0.278	0.292
Gender	–	–	–	–	0.061	0.076	0.959
Skeletal muscle GU	0.837	−0.051	0.844	0.162	0.848	0.039	0.047
Subcutaneous adipose tissue GU	0.458	0.662	0.846	−0.130	0.724	0.065	0.233
Liver GU	0.513	0.423	0.193	0.768	0.322	0.684	0.011
Variance explained (%)	38	27	39	32	32	22	18