Accuracy, sensitivity, specificity, PPV, and NPV for each imaging modality
| CE-MRI | PET | SPECT | MR ASL | |
|---|---|---|---|---|
| Accuracy | 46.2% | 78.6% | 57.1% | 92.9% |
| Sensitivity | – | 83.3% | 50.0% | 83.3% |
| Specificity | – | 75.0% | 62.5% | 100.0% |
| PPV | – | 71.4% | 50.0% | 100.0% |
| NPV | – | 85.7% | 62.5% | 88.9% |
Note:— – indicates unable to calculate; CE-MRI were all positive for tumor progression.