Comparison of bioelectrical body and visceral fat indices with anthropometric measures and optimal cutoffs in relation to hypertension by age and gender among Chinese adults

Table 3 Receiver operating characteristic curve analysis of the obesity indices for identifying subjects with hypertension by gender

	AUC (95%CI)	P	Optimal cut-off point	Sensitivity (%)	Specificity (%)	Youden index
Men
PBF (%)	0.65 (0.64–0.67)	< 0.001	27.0	56.93	66.10	0.23
VFA (cm²)	0.67 (0.66–0.69)	< 0.001	96.1	63.90	63.18	0.27
BMI (kg/m²)	0.62 (0.60–0.64)	< 0.001	25.1	63.25	54.31	0.18
WHR	0.68 (0.66–0.70)	< 0.001	0.91	66.94	61.53	0.28
Women
PBF (%)	0.68 (0.66–0.70)	< 0.001	33.8	62.51	65.31	0.28
VFA (cm²)	0.73 (0.71–0.75)	< 0.001	91.7	71.81	62.43	0.34
BMI (kg/m²)	0.69 (0.67–0.71)	< 0.001	23.3	66.25	63.15	0.29
WHR	0.72 (0.71–0.74)	< 0.001	0.89	62.99	69.36	0.32

PBF percentage body fat, VFA visceral fat area, BMI body mass index, WHR waist-hip ratio

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