Table 3 Performance on the test dataset: NODDI and routine MRI radiomic texture model
Model | Accuracy (%) | AUC (95% CI) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|
NODDI-Necrosis | 72.1 | 0.713 (0.574–0.853) | 77.2 | 58.8 | 82.9 | 50.0 |
NODDI-Solid tumor | 85.2 | 0.821 (0.695–0.946) | 93.1 | 64.7 | 87.2 | 78.5 |
NODDI-Peritumoral edema | 78.6 | 0.762 (0.610–0.914) | 81.8 | 70.6 | 87.8 | 60.0 |
NODDI-TBV | 83.6 | 0.882 (0.789–0.975) | 84.1 | 82.3 | 92.5 | 66.7 |
NODDI-ABV | 72.1 | 0.779 (0.667–0.897) | 65.9 | 88.2 | 93.5 | 50.0 |
Routine MRI-Necrosis | 60.7 | 0.651 (0.483–0.819) | 54.5 | 76.4 | 85.7 | 39.4 |
Routine MRI-Solid tumor | 77.1 | 0.786 (0.649–0.923) | 77.3 | 76.5 | 89.5 | 56.5 |
Routine MRI-Peritumoral edema | 72.1 | 0.806 (0.692–0.919) | 68.2 | 82.4 | 90.9 | 50.0 |
Routine MRI-TBV | 78.7 | 0.723 (0.561–0.885) | 86.3 | 58.8 | 84.4 | 62.5 |
Routine MRI-ABV | 83.8 | 0.818 (0.684–0.952) | 90.9 | 76.4 | 90.9 | 76.5 |