Table 3 Summary of ROC curve results to distinguish various grades of IDH-mutant astrocytoma
From: Grading of IDH-mutant astrocytoma using diffusion, susceptibility and perfusion-weighted imaging
Grade2vs3 (AUC,95%CI) | Grade 3 vs 4 (AUC, 95%CI) | Grade 2 vs 4 (AUC, 95%CI) | Grade 2 + 3 vs 4 (AUC, 95%CI) | |
|---|---|---|---|---|
ADCmin | 0.701(0.535–0.859) | 0.898(0.804–0.991) | 0.985(0.962–1.000) | 0.956(0.906–0.993) |
ITSS | 0.678(0.537–0.816) | 0.820(0.689–0.954) | 0.943(0.885–1.000) | 0.900(0.821–0.975) |
rCBVmax | 0.602(0.456–0.758) | 0.950(0.881–0.995) | 0.953(0.898–1.000) | 0.954(0.904–0.995) |
ADCmin + ITSS | 0.737(0.603–0.854) | 0.921(0.788–0.983) | 0.992(0.918–1.000) | 0.967(0.935–1.000) |
ADCmin + rCBVmax | 0.695(0.558–0.811) | 0.985(0.962–1.000) | 0.991(0.933–1.000) | 0.973(0.964–1.000) |
ITSS + rCBVmax | 0.704(0.545–0.841) | 0.958(0.840–0.996) | 0.960(0.946–1.000) | 0.958(0.932–1.000) |
ADCmin + ITSS + rCBVmax | 0.746(0.611–0.853) | 0.987(0.886–1.000) | 0.998(0.983–1.000) | 0.994(0.983–1.000) |