Table 4.

Leptin as a Function of Parameters of Body Composition and Systemic Metabolism in Roux-en-Y Gastric Bypass Patients.

Variable	Correlation Coefficient at 3 Months	Significance†	Correlation Coefficient at 9 Months	Significance†	Correlation Coefficient at 24 Months	Significance†
Weight	r = 0.750	p = 0.001	r = 0.798	p = 0.0006	r = 0.809	p < 0.0005
Fat Mass	r = 0.781	p < 0.0001	r = 0.886	p < 0.0001	r = 0.791	p = 0.0004
Insulin	r = 0.644	p < 0.01	r = 0.584	p = 0.02	r = 0.932	p < 0.00001
HOMA-IR	r = 0.649	p < 0.001	r = 0.445	NS	r = 0.931	p < 0.00001

^†Values considered significant if p < 0.05

Abbreviations: HOMA, homeostasis model of assessment of insulin resistance; NS, not significant.