| Variables | Values | 95% CI |
| Sensitivity | 100.0% | 82.3% to 100.0% |
| Specificity | 33.3% | 24.0% to 90.6% |
| PPV | 90.5% | 81.0% to 95.5% |
| NPV | 100.0% | 20.6% to 100.0% |
| Accuracy | 90.9% | 71.7% to 96.3% |