Table 1.
Epidemiological data of samples
| Tumor | WHO grade | Samples (n) | Recurrence (n) | Sex (F/M) | Age (mean, range) |
|---|---|---|---|---|---|
| Diffuse Astrocytoma | 284 | 43 | 120/164 | 45 (5–81) | |
| - Low grade (WHO II) | II | 136 | 14 | 61/75 | 43 (9–77) |
| - Anaplastic (WHO III) | III | 148 | 29 | 59/89 | 47 (5–81) |
| Oligoastrocytoma | 71 | 23 | 29/42 | 43 (5–79) | |
| - Low grade (WHO II) | II | 38 | 12 | 15/23 | 43 (5–79) |
| - Anaplastic (WHO III) | III | 33 | 11 | 14/19 | 43 (21–71) |
| Oligodendroglioma | 83 | 32 | 44/39 | 48 (24–81) | |
| - Low grade (WHO II) | II | 35 | 7 | 16/19 | 46 (24–81) |
| - Anaplastic (WHO III) | III | 48 | 25 | 28/20 | 50 (20–79) |
| Glioblastoma | IV | 415 | 57 | 169/246 | 57 (4–87) |
| - Primary | IV | 364 | 60 | 145/219 | 58 (4–87) |
| - Secondary | IV | 30 | 30 | 12/18 | 46 (26–68) |
| - With oligodendroglial component | IV | 13 | 3 | 3/10 | 61 (45–82) |
| - With PNET component | IV | 1 | 0 | 0/1 | 54 |
| - Gliosarcoma | IV | 7 | 2 | 7/0 | 66 (53–75) |
| Ependymoma | 112 | 25 | 50/62 | 41 (2–82) | |
| - Low grade (WHO II) | II | 51 | 4 | 27/24 | 47 (2–82) |
| - Anaplastic (WHO III) | III | 26 | 11 | 11/15 | 35 (2–78) |
| - Myxopapillary | I | 24 | 8 | 7/17 | 36 (17–75) |
| - Subependymoma | I | 11 | 2 | 5/6 | 55 (44–75) |
| Pilocytic astrocytoma | I | 74 | 15 | 41/33 | 22 (2–78) |
| - Pilomyxoid (WHO II) | II | 2 | 1 | 1/1 | 8 (2–14) |
| - Anaplastic (WHO III) | III | 2 | 1 | 1/1 | 25 (24–25) |