Table 3 Area under the curve and optimal cut-off points demonstrating the ability of anthropometric indices to predict hypertension according to age
Measures | Age < 50 | Age ≥ 50 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
AUC (99% CI) | P value* | Cut-off-value | Sensitivity | Specificity | AUC (99% CI) | P value* | Cut-off-value | Sensitivity | Specificity | |
Waist Circumference (cm) | 0.64 (0.60–0.67) |  < 0.001 | 92.0 | 69% | 54% | 0.61 (0.57–0.64) |  < 0.001 | 90.0 | 75% | 43% |
Hip Circumference (cm) | 0.60 (0.55–0.63) |  < 0.001 | 99.0 | 67% | 47% | 0.56 (0.53–0.60) |  < 0.001 | 95.0 | 68% | 43% |
Wrist Circumference (cm) | 0.60 (0.57–0.64) |  < 0.001 | 17.0 | 48% | 67% | 0.56 (0.52–0.59) |  < 0.001 | 16.0 | 53% | 56% |
Body Mass Index (kg/m2) | 0.64 (0.61–0.68) |  < 0.001 | 25.0 | 79% | 43% | 0.59 (0.56–0.63) |  < 0.001 | 26.0 | 63% | 52% |
Waist to Hip Ratio | 0.62 (0.59–0.66) |  < 0.001 | 0.90 | 75% | 43% | 0.60 (0.57–0.64) |  < 0.001 | 0.96 | 58% | 58% |
Waist to Height Ratio | 0.62 (0.59–0.66) |  < 0.001 | 0.60 | 47% | 73% | 0.60 (0.56–0.64) |  < 0.001 | 0.60 | 50% | 65% |