Sensitivity, specificity, PPV, and NPV of rCBVmax for differentiating WHO grade II, III, and IV gliomas
| Glioma Grade | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
| II vs III | 87.5% | 71.4% | 63.6% | 90.9% |
| II vs IV | 100.0% | 85.7% | 90.5% | 100.0% |
| III vs IV | 89.5% | 75.0% | 89.5% | 75.0% |
Note:—rCBVmax indicates maximum relative celebral blood value.