Table 4. Comparison of adiponectin, leptin and L/A in the diagnosis of MS.

	AUC	P	NRI (%)	P	IDI (%)	P	Variables used for comparison
Boys
Leptin (ng/ml)	0.798
Adiponectin (ug/ml)	0.697	< 0.001	-28.65	< 0.001	-5.30	< 0.001	Leptin
L/A (ng/ug)	0.822	0.001	13.15	0.010	2.92	0.001	Leptin
		< 0.001	39.49	< 0.001	8.22	< 0.001	Adiponectin
Girls
Leptin (ng/ml)	0.773
Adiponectin (ug/ml)	0.689	0.001	-15.89	0.022	-3.10	0.003	Leptin
L/A (ng/ug)	0.793	0.019	42.72	< 0.001	1.92	0.031	Leptin
		< 0.001	19.20	0.001	1.18	0.100	Adiponectin

Abbreviation: L/A: leptin to adiponectin ratio; MS: metabolic syndrome; AUC: area under the curve; NRI: net reclassification improvement; IDI: integrated discrimination index.

The original values of leptin, adiponectin and L/A were used to calculate the AUCs, NRI and IDI.