Sensitivity, specificity, PPV, and NPV of ITSS degree for determining high-grade gliomas (WHO grades III and IV) according to threshold values
| Criterion | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
| ≥1* | 85.2% | 92.9% | 95.8% | 76.5% |
| ≥2 | 81.5% | 100.0% | 100.0% | 73.7% |
* Value indicates optimum threshold value.