Table 5.

Area under the curve, optimal cut-off points (using Youden Index) for MetS risk factors, and novel anthropometric indices in ROC analysis to identify MetS stratified by gender

	Male				Female
Variable	AUC	95% CI	Cut-off	p*	AUC	95% CI	Cut-off	p*
MetS risk factors
BMI	0.586	0.484–0.683	> 25.6	0.132	0.602	0.500–0.698	> 26.1	0.070
WC	0.628	0.526–0.722	> 100	0.021	0.700	0.601–0.787	> 92	0.001
WHR	0.753	0.658–.834	> 0.96	0.001	0.656	0.555–0.748	> 0.93	0.005
WHtR	0.804	0.714–0.877	> 0.58	0.001	0.837	0.751–0.903	> 0.59	0.001
FPG	0.921	0.850–0.965	> 105	0.001	0.961	0.903–0.989	> 94	0.001
HOMA-IR	0.635	0.534–0.729	> 1.25	0.015	0.765	0.670–0.844	> 3.65	0.001
TG/HDL	0.751	0.655 – 0.832	> 3.2	0.001	0.718	0.620–0.803	> 3.40	0.001
AIP	0.723	0.625–0.807	> 0.5	0.001	0.701	0.602–0.788	> 0.5	0.001
MAP	0.647	0.546–0.740	> 87.7	0.008	0.629	0.527–0.723	> 87.5	0.024
Fat percent	0.711	0.613–0.797	> 22.5	0.001	0.707	0.608–0.793	> 38.4	0.001
Novel anthropometric measures
ABSI	0.622	0.520–0.717	> 0.08	0.015	0.637	0.535–0.730	> 0.08	0.006
AVI	0.721	0.623–0.806	> 16.3	0.001	0.813	0.723–0.884	> 17	0.001
BAI	0.635	0.533–0.728	> 27.97	0.017	0.803	0.712–0.875	> 34.83	0.001
BRI	0.801	0.710–0.873	> 4.13	0.001	0.850	0.765–0.913	> 5.21	0.001
CI	0.770	0.676–0.848	> 1.09	0.001	0.797	0.705–0.871	> 1.03	0.001
LAP	0.655	0.554–0.747	> 66.93	0.004	0.681	0.581–0.770	> 53.65	0.001
VAI	0.760	0.665–0.840	> 4.6	0.001	0.693	0.605–0.787	> 4.5	0.002
WTI	0.701	0.599–0.788	> 116.65	0.001	0.768	0.673–0.846	> 141.08	0.001

Cut-off values corresponding with the highest Youden index

AUC area under the curve, 95% CI confidence interval, ROC receiver operating characteristic; and others as in Tables 1, 2, and 3

*Significant ability of each index to separate MetS and non MetS among male and female subjects