Table 4.

Multivariate analysis of IR measures with independent variables in 300 postmenopausal women

	Predictor variable	β	p value	95% CI for β
HOMA-IR	Serum insulin	0.891	<0.0001	0.394	0.451
Total R2 = 90.0%	Serum TG	−0.064	0.001	−0.540	−0.132
	Serum FBG	0.525	<0.0001	0.806	0.967
	QUICK-I	0.177	<0.0001	14.802	34.245
QUICK-I	Serum FBG	−0.484	<0.0001	−0.007	−0.005
Total R2 = 94.1%	Serum TG	0.619	<0.0001	0.020	0.027
	Serum HDL-C	−0.105	<0.0001	−0.017	−0.007
	TG/HDL-C	−0.256	<0.0001	−0.011	−0.005
	HOMA-IR	0.205	<0.0001	0.001	0.002
	McAuley index	0.885	<0.0001	0.019	0.021
McAuley index	Serum FBG	0.329	<0.0001	0.161	0.198
Total R2 = 94.2%	Serum TG	−0.686	<0.0001	−1.291	−1.033
	Serum HDL-C	0.134	<0.0001	0.485	0.874
	TG/HDL-C	0.286	<0.0001	0.282	0.519
	QUICK-I	0.852	<0.0001	36.485	39.467

95% CI: confidence intervals, β = standardized regression coefficient, FBG: fasting blood glucose, HDL-C: high density lipoprotein-cholesterol, HOMA-IR: homeostasis model for insulin resistance, QUICK-I: quantitative insulin sensitivity check index, R² = percent variance explained by each variable, TG: triglycerides.