Table 3: Cut points for areas under the ROC curve, sensitivity and specificity of WC, BMI, and WHR by age groups.

AURC (95% CI) valueCut-offSensitivity (95% CI)Specificity (95% CI)

Age of 40–49 years
 WC0.78 (0.69–0.86)<0.00188.583.3%52.5%
 BMI0.71 (0.62–0.81)<0.00127.579.2%50.0%
 WHR0.71 (0.63–0.80)<0.0010.8881.3%57.5%
Age of 50–59 years
 WC0.84 (0.79–0.90)<0.00189.089.5%62.0%
 BMI0.79 (0.73–0.85)<0.00127.581.0%62.0%
 WHR0.79 (0.73–0.86)<0.0010.8985.5%53.7%
Age of  ≥60 years
 WC0.78 (0.70–0.85)<0.00192.081.4%55.8%
 BMI0.77 (0.70–0.84)<0.00128.880.0%61.6%
 WHR0.76 (0.68–0.83)<0.0010.9382.9%52.3%