| Characters | Value | 95% CI | Value | 95% CI |
| 2D | VI ≥ 33.1 | |||
| Sensitivity | 69.6% | 47.1% - 86.8% | 73.9% | 51.6% - 89.8% |
| Specificity | 50.0% | 28.2% - 71.8% | 86.4% | 65.1% - 97.1% |
| DA | 60.0% | 44.3% - 74.3% | 80.0% | 65.4% - 90.4% |
| Youden’s index | 19.6% | −8.5% - 47.7% | 60.3% | 37.3% - 83.2% |
| PPV | 59.3% | 38.8% - 77.6% | 85.0% | 62.1% - 96.8% |
| NPV | 61.1% | 35.7% - 82.7% | 76.0% | 54.9% - 90.6% |
| LR+ | 1.39 | 0.85 - 2.29 | 5.42 | 1.84 - 15.95 |
| LR− | 0.61 | 0.29 - 1.28 | 0.30 | 0.15 - 0.61 |
| FI ≥ 43.1 | VFI ≥ 15.0 | |||
| Sensitivity | 60.9% | 38.5% - 80.3% | 47.8% | 26.8% - 69.4% |
| Specificity | 68.2% | 45.1% - 86.1% | 81.8% | 59.7% - 94.8% |
| DA | 64.4% | 48.8% - 78.1% | 64.4% | 48.8% - 78.1% |
| Youden’s index | 29.1% | 1.2% - 56.9% | 29.6% | 3.6% - 55.7% |
| PPV | 66.7% | 43.0% - 85.4% | 73.3% | 44.9% - 92.2% |
| NPV | 62.5% | 40.6% - 81.2% | 60.0% | 40.6% - 77.3% |
| LR+ | 1.91 | 0.96 - 3.83 | 2.63 | 0.98 - 7.04 |
| LR− | 0.57 | 0.32 - 1.03 | 0.64 | 0.41 - 0.99 |