. 2009 Dec 2;9:443. doi: 10.1186/1471-2458-9-443

Table 3.

The optimal cutoff points of VFA, WC, and BMI to detect subjects with two or more metabolic risk factors except WC compared to various criteria

		Cut point	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	J value^a	Distance
Men (n = 308)
VFA(cm²)	Optimal cut point ^a	92.6	70.4	70.5	82.2	44.8	0.41	0.42
WC (cm)	Optimal cut point ^a	86.5	74.9	65.7	80.9	42.5	0.41	0.43
	KOSSO's cut point ^b	90.0	54.2	81.9	85.3	52.0	0.36	0.49
BMI (kg/m²)	Optimal cut point ^a	23.7	63.1	70.5	80.5	50.3	0.34	0.47
	WHO's cut point ^c	25.0	45.8	84.8	85.3	55.3	0.31	0.56
Women (n = 381)
VFA (cm²)	Optimal cut point ^a	88.9	72.5	59.4	83.2	56.2	0.32	0.49
WC (cm)	Optimal cut point ^a	86.5	69.3	60.4	82.9	58.5	0.30	0.50
	KOSSO's cut point ^b	85.0	76.4	51.5	81.4	55.9	0.28	0.54
BMI (kg/m²)	Optimal cut point ^a	23.9	72.5	58.4	82.9	56.6	0.31	0.50
	WHO's cut point ^c	25.0	54.6	64.4	81.0	66.2	0.19	0.58

PPV, positive predictive value; NPV, negative predictive value

^a: Optimal cut point from the present study for abdominal obesity

^b: KOSSO's criteria for abdominal obesity [2]

^c: WHO-Asia Pacific Region criteria for obesity [23]