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Table 3. Univariate correlation coefficients between 52-week change in total and bioavailable testosterone and measures of glycemic control, insulin resistance, and the metabolic syndrome

	Total Testosterone		Bioavailable Testosterone
	R	P	R	P
HbA_1c	-0.759^a	<.001^a	-0.764^a	<.001^a
FPG	-0.042	.821	-0.123	.502
Insulin	-0.401^a	.023^a	-0.480^a	.005^a
Waist circumference	-0.736^a	<.001^a	-0.764^a	<.001^a
HDL cholesterol	0.692^a	<.001^a	0.671^a	<.001^a
Triglycerides	-0.395^a	.025^a	-0.314	.080
Systolic blood pressure	-0.231	.203	-0.170	.353
Diastolic blood pressure	-0.435^a	.013^a	-0.447^a	.010^a
hsCRP	-0.614^a	.029^a	-0.653^a	.004^a
Adiponectin	0.298	.098	0.431^a	.014^a
HOMA-IR	-0.133	.467	-0.247	.173

Abbreviations: FPG, fasting plasma glucose; HbA_1c, glycosylated hemoglobin; HDL, high-density lipoprotein; hsCRP, high-sensitive C-reactive protein; HOMA-IR, homeostatic model assessment for insulin resistance.
aStatistically significant values.

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