TABLE 6. Data Numbers and Performances for the 4-Fold Cross Validation.
| Validation set 1st fold | Validation set 2nd fold | Validation set 3rd fold | Validation set 4th fold | Average | |
|---|---|---|---|---|---|
| Non-LVH Group | 408 | 403 | 404 | 418 | – |
| LVH Group | 31 | 36 | 35 | 21 | – |
| Total | 439 | 439 | 439 | 439 | – |
| Prevalence Rate | 7.1% | 8.2% | 8.0% | 4.8% | – |
| Accuracy | 67.2% | 77.9% | 75.9% | 72.0% | 73.3% |
| Specificity | 66.4% | 78.2% | 75.7% | 71.3% | 72.9% |
| Sensitivity | 77.4% | 75.0% | 77.1% | 85.7% | 78.8% |
| Precision | 14.9% | 23.5% | 21.6% | 13.0% | 18.3% |
| F1-score | 25.0% | 35.8% | 33.7% | 22.6% | 29.3% |
| ROC AUC | 0.804 | 0.805 | 0.836 | 0.865 | 0.828 |
| PR AUC | 0.284 | 0.312 | 0.330 | 0.228 | 0.289 |
| True Negative | 271 | 315 | 306 | 298 | – |
| False Negative | 7 | 9 | 8 | 3 | – |
| False Positive | 137 | 88 | 98 | 120 | – |
| True Positive | 24 | 27 | 27 | 18 | – |