Results of the receiver operator curve analysis for each variable and for the discriminate function C1 in differentiating between low-grade tumors and grades III IV high-grade tumors
| High Versus Low Grade | Grade III Versus Grade IV | |
|---|---|---|
| CBV | 0.966 (<.001) | 0.754 (NS) |
| Ktrans | 0.979 (<.05) | 0.551 (NS) |
| CBV (95%) | 0.955 (<.001) | 0.754 (NS) |
| Ktrans (95%) | 0.986 (<.001) | 0.725 (NS) |
| CI | 0.993 (<.001) | 0.732 (NS) |
Note.—CBV indicates cerebral blood volume; Ktrans, volume transfer coefficient. Values are areas under ROC followed by significance (P values) in parentheses.