Table 3.
Area under ROC curve of BMI-for-age, WHtR-for-age and WHtR for identifying hypertensive BP in both sexes
| Risk factor | Measure | Boys | Girls | ||
|---|---|---|---|---|---|
| AUC | 95% CI | AUC | 95% CI | ||
| Systolic BP ≥ P95 | |||||
| BMI-for-age (Z-score) | 0.720 | 0.689–0.751 | 0.655 | 0.618–0.693 | |
| WHtR-for-age | 0.697 | 0.665–0.728 | 0.646 | 0.607–0.686 | |
| WHtR | 0.692 | 0.660–0.724 | 0.648 | 0.608–0.687 | |
|  | |||||
| Diastolic BP ≥ P95 | |||||
| BMI-for age (Z-score) | 0.613 | 0.572–0.654 | 0.557 | 0.512–0.601 | |
| WHtR-for-age | 0.606 | 0.564–0.648 | 0.566 | 0.522–0.610 | |
| WHtR | 0.604 | 0.562–0.646 | 0.567 | 0.523–0.611 | |
|  | |||||
| Hypertensive BP # | |||||
| BMI-for age (Z-score) | 0.684 | 0.655–0.712 | 0.607 | 0.574–0.641 | |
| WHtR-for-age | 0.667 | 0.638–0.695 | 0.604 | 0.570–0.638 | |
| WHtR | 0.664 | 0.635–0.692 | 0.605 | 0.571–0.639 | |
P95 = 95th percentile.
Systolic and/or diastolic BP ≥ 95th percentile or ≥ the adult threshold for hypertension of 140/90 mm Hg.