ADC skewness threshold obtained from ROC curve analysis to predict local failure
| Parameter | ADC Skewness |
|---|---|
| Threshold | ≤0.55 |
| P value | .0001 |
| Area under the ROC curve | 0.68 |
| True-positive | 21 |
| False-positive | 49 |
| True-negative | 82 |
| False-negative | 6 |
| Sensitivity | 78% |
| Specificity | 63% |
| Accuracy | 65% |
| Positive predictive value | 30% |
| Negative predictive value | 93% |