Summary of the results in training and test subsets
| AUC | Accuracy | Sensitivity | Specificity | |
|---|---|---|---|---|
| PCNSL vs GB | ||||
| Training | 0.96 | 88% (60/68) | 88% (29/33) | 89% (31/35) |
| Test | 0.96 | 93% (25/27) | 93% (13/14) | 92% (12/13) |
| PCNSL vs AA | ||||
| Training | 0.86 | 74% (46/62) | 76% (25/33) | 72% (21/29) |
| Test | 0.83 | 71% (17/24) | 93% (13/14) | 60% (6/10) |
| PCNSL vs MET | ||||
| Training | 0.92 | 81% (56/69) | 81% (26/32) | 81% (30/37) |
| Test | 0.95 | 93% (25/27) | 100% (14/14) | 85% (11/13) |
| PCNSL vs MEN | ||||
| Training | 1.00 | 97% (67/69) | 97% (32/33) | 97% (35/36) |
| Test | 0.93 | 96% (27/28) | 100% (14/14) | 93% (13/14) |
Note:—GB indicates glioblastoma; AA, anaplastic astrocytoma; MET, metastasis; MEN, meningioma.