Table 3.

Performance of different waist thresholds to predict the development of diabetes in the next 5 years

Waist thresholds	Sensitivity	Specificity	Youden index	Distancea
Men
97.0 cm	16.2 %	94.6 %	0.108	0.840
95.0 cm	18.7 %	93.5 %	0.122	0.816
90.0 cm	35.0 %	83.5 %	0.185	0.671
88.0 cm	49.1 %	73.0 %	0.221	0.576
85.0 cm	64.0 %	59.6 %	0.235	0.541
83.0 cm	68.6 %	54.2 %	0.228	0.555
80.0 cm	81.4 %	38.8 %	0.202	0.640
Women
90.0 cm	29.3 %	94.0 %	0.234	0.709
87.0 cm	38.8 %	90.0 %	0.287	0.621
84.0 cm	50.6 %	84.0 %	0.346	0.519
83.0 cm	55.5 %	79.4 %	0.349	0.490
80.0 cm	62.8 %	70.7 %	0.334	0.474
78.0 cm	64.9 %	67.0 %	0.319	0.482
75.0 cm	75.0 %	54.6 %	0.296	0.518

^aDistance, the distance from a point on the curve to the point (0, 1)