Table 3.

Results of ROC curve analyses and Youden cutoff values for identifying obesity and overweight in consideration of sex

Obesity	AUC	Sensitivity/specificity	Silhouette cutoff value for obesity	Youden index
Men	0.885 (95% CI 0.848; 0.921)	0.92/0.76	≥6	0.68
Women	0.919 (95% CI 0.891; 0.948)	0.80/0.89	≥6	0.69

Overweight	AUC	Sensitivity/ specificity	Silhouette cutoff value for overweight	Youden index
Men	0.706 (95% CI 0.661; 0.751)	0.88/0.69	≥5	0.57
Women	0.762 (95% CI 0.723; 0.801)	0.86/0.79	≥5	0.65

AUC, area under the curve; ROC, receiver operating characteristic. Youden Index is defined as sensitivity plus specificity minus 1 [16].