Table 3.
Results provided by ROC curve analyses for the PET identification of patients with glioma recurrence or progression
| AUC | CI (95%) AUC | Threshold | Sensitivity | Specificity | Accuracy | |
|---|---|---|---|---|---|---|
| TBRmax | 0.969 | (0.923–1.0) | 1.61 | 97.1% | 94.1% | 96.0% |
| TBRmean | 0.983 | (0.956–1.0) | 1.3 | 94.1% | 94.1% | 94.1% |
| TSRmax | 0.976 | (0.939–1.0) | 1.0 | 97.1% | 94.1% | 96.0% |
| TSRmean | 0.986 | (0.964–1.0) | 0.83 | 91.2% | 100% | 94.1% |
| MTV | 0.978 | (0.939–1.0) | 0.045 mL | 97.1% | 94.1% | 96.0% |
| Slope | 0.818 | (0.702–0.935) | − 0.26 h−1 | 67.6% | 94.1% | 76.5% |
AUC area under the curve, CI confidence interval, MTV metabolic tumor volume, TBR tumor-to-normal brain ratio, TSR tumor-to-striatum ratio