Table 1.
Patient characteristics of study participants
| Mean age at diagnosis – years (age range) | 32.5 (29 to 36) |
| Sex – No. (%) | |
| Male | 3 (75) |
| Female | 1 (25) |
| KPS – No. (%) | |
| 100 | |
| 90 | 2 (50) |
| Presenting symptom(s) | 2 (50) |
| Headache | 0 |
| Seizure | 3 |
| Weakness | 0 |
| Incidental (research study volunteer) | 1 |
| Mean volume of tumor at diagnosis (cm3) – No. (range) | 18.2 (6.8 to 32.9) |
| Intrinsic contrast-enhancement No. (%) | 2 (50) |
| Extent of resection at diagnosis (%) | |
| Gross-total resection | 4 (100) |
| Subtotal resection | 0 (0) |
| Biopsy | 0 (0) |
| WHO histopathological diagnosis (%) | |
| Diffuse infiltrating glioma (II) | 1 (25) |
| Oligodendroglioma (II) | 1 (25) |
| Anaplastic oligodendroglioma (III) | 2 (50) |
| Anaplastic astrocytoma (III) | 0 (0) |
| Glioblastoma (IV) | 0 (0) |
| IDH mutation status – No. (%) | 0 (0) |
| Nonmutated | 4 (100) |
| Mutated | 0 (0) |
| Unknown |