Table 3 ROC curve analyses of K trans and V e values for differentiation between the different grades
Threshold | Sensitivity | Specificity | AUC mm 2 .s −1 | |
|---|---|---|---|---|
Ktrans min−1 | ||||
LGG vs HGG | 0.054 | 94.1% | 93.3% | 0.941 × 103 |
II vs III | 0.045 | 87.5% | 86.7% | 0.883 × 103 |
II vs IV | 0.064 | 100% | 93.3% | 0.993 × 103 |
Ve | ||||
LGG vs HGG | 0.296 | 92.9% | 91.7% | 0.937 × 103 |
II vs III | 0.296 | 87.5% | 93.3% | 0.925 × 103 |
II vs IV | 0.345 | 88.9% | 93.3% | 0.948 × 103 |