Risk of type 2 diabetes according to traditional and emerging anthropometric indices in Spain, a Mediterranean country with high prevalence of obesity: results from a large-scale prospective cohort study

Table 4 Area under the curve (AUC) for different anthropometrical variables as predictors of incident diabetes in men and women from the Spanish EPIC (European Prospective Investigation into Cancer and Nutrition) cohort

	AUC	SE	95% CI	Optimal cutoff¹	Sensitivity	Specificity
MEN
Body mass index (kg/m²)	0.676	0.008	0.660 - 0.691	28.7	66.7%	59.9%
Waist circumference (cm)	0.672	0.008	0.657 - 0.687	99.4	69.5%	55.8%
Waist-to-hip ratio	0.646	0.008	0.631 - 0.661	0.95	68.9%	53.2%
Waist-to-height ratio	0.687	0.008	0.673 - 0.702	0.60	66.1%	61.2%
WOMEN
Body mass index (kg/m²)	0.759	0.006	0.746 - 0.771	29.2	71.8%	66.9%
Waist circumference (cm)	0.773	0.006	0.760 - 0.785	90.4	74.5%	67.6%
Waist-to-hip ratio	0.722	0.007	0.708 - 0.735	0.84	71.0%	61.9%
Waist-to-height ratio	0.776	0.006	0.764 - 0.788	0.58	76.6%	65.6%

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