Table 4.

Correlations between body composition and insulin sensitivity and secretion indexes estimated from the oral glucose tolerance test (trial 1; n = 24).

	Total body lipids		Total body protein
	r	P	r	P
Insulin sensitivity
QUICKI	− 0.67	< 0.001	0.66	< 0.001
Matsuda index (MI)	− 0.59	< 0.01	0.60	< 0.01
HOMA-IR	0.58	< 0.01	− 0.59	< 0.01
C-peptide:insulin ratio1	− 0.31	> 0.05	0.29	> 0.05
Insulin secretion
HOMA-%B	0.45	< 0.05	− 0.48	< 0.05
oDIcpep	− 0.60	< 0.01	0.58	< 0.01

QUICKI quantitative insulin sensitivity check index, oDI_cpep oral disposition index, HOMA-IR homeostasis model assessment for estimating insulin resistance, HOMA-%B homeostasis model assessment for estimating β-cell function.

¹AUC C-peptide/AUC insulin.