Table 4

Probabilities of MetS (%) for nodes 3, 4, 5 and 6 in decision trees according to cut-off values of WHtR

WHtR range	BP model	Probabilities of MetS for nodes in the decision tree				Efficacy indicators for diagnostic test accuracy
Cut-off points	BP	Node 3	Node 4	Node 5	Node 6	Sensitivity (%)	Specificity (%)	VI (%)	JI
0.535	BP*	0.3	7.4	10.3	38.4	63.9	89.7	87.5	0.54
	BP†	0.5	10.4	12.2	43.3	59.3	92.3	89.3	0.52
	SBP	0.6	10.5	13.7	43.3	57.0	92.6	89.4	0.5
0.540	BP*	0.3	7.6	11.5	40.7	62.7	90.9	88.4	0.54
	BP†	0.5	10.5	13.5	45.7	57.8	93.2	90.0	0.51
	SBP	0.6	10.7	15.2	45.7	55.6	93.5	90.0	0.49
0.544‡	BP*	0.4	7.7	12.5	42.8	61.6	91.8	89.1	0.53
	BP†	0.5	10.9	14.6	48.0	56.7	93.9	90.5	0.51
	SBP	0.6	10.8	16.4	48.0	54.5	94.1	90.6	0.49
0.550§	BP*	0.4	7.9	14.2	46.1	59.6	93.1	90.1	0.53
	BP†	0.5	10.9	16.6	51.3	54.7	94.8	91.2	0.46
	SBP	0.7	11.0	18.5	51.4	52.6	95.1	91.2	0.48
0.555	BP*	0.4	8.2	15.7	49.1	57.8	94.1	90.8	0.52
	BP†	0.6	11.1	18.3	54.4	53.0	95.6	91.7	0.49
	SBP	0.7	11.3	20.3	54.5	51.0	95.8	91.7	0.47
0.560	BP*	0.5	8.5	17.0	51.8	55.7	94.9	91.3	0.51
	BP†	0.6	11.5	19.9	57.1	51.0	96.2	92.1	0.47
	SBP	0.8	11.6	21.9	57.2	49.1	96.4	92.1	0.46
0.565	BP*	0.5	8.8	18.6	54.9	53.4	95.6	91.8	0.49
	BP†	0.6	11.9	21.8	60.3	48.8	96.8	92.5	0.46
	SBP	0.8	12.0	23.9	60.4	47.0	96.9	92.4	0.44
0.570	BP*	0.5	9.1	19.9	57.4	51.4	96.2	92.2	0.48
	BP†	0.7	12.3	23.3	62.8	46.9	97.2	92.7	0.44
	SBP	0.9	12.4	25.5	63.0	45.2	97.4	92.7	0.43

*BP ≥128/80 mm Hg.
†BP ≥128/85 mm Hg.
‡ Cut-off point for WHtR obtained in the total simple (n=60 799).
§Cut-off point proposed by NIM-MetS.
BP, blood pressure; JI, Youden Index; NIM-MetS, non-invasive method for early detection of metabolic syndrome; SBP, systolic blood pressure ≥128 mm Hg; VI, Validity Index; WHtR, waist-to-height ratio.