Table 7. The areas under the ROC curve (AUC), sensitivity and specificity by the optimized cut-off points for metabolic risk factors associated with the presence of albuminuria (> 30mg/day).
| Risk factor | AUC (95% CI) | Cut-off according to Youden's index | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|
| Male (n = 10,343) | ||||
| WC (cm) | 0.643 (0.622–0.664) | 90.8 | 54.2 | 68.8 |
| WHtR | 0.644 (0.623–0.665) | 0.53 | 61.6 | 61.6 |
| MAP (mmHg) | 0.695 (0.675–0.715) | 97.9 | 56.7 | 72.5 |
| FPG (mmole/L) | 0.674 (0.654–0.695) | 5.40 | 54.8 | 70.0 |
| TG/HDL-C ratio | 0.614 (0.593–0.635) | 1.13 | 67.3 | 49.0 |
| Female (n = 8,091) | ||||
| WC (cm) | 0.646 (0.613–0.680) | 80.75 | 56.7 | 68.0 |
| WHtR | 0.649 (0.615–0.682) | 0.52 | 56.4 | 70.4 |
| MAP (mmHg) | 0.706 (0.676–0.737) | 91.9 | 55.6 | 76.9 |
| FPG (mmole/L) | 0.622 (0.589–0.656) | 5.28 | 51.5 | 68.8 |
| TG/HDL-C ratio | 0.629 (0.597–0.660) | 1.08 | 40.4 | 80.9 |
WC, waist circumference; WHtR, waist-to-height ratio; MAP, mean arterial pressure; FPG, fasting plasma glucose; HDL-C, high-density lipoprotein cholesterol; TG, total cholesterol.