Table 1.
Demographics, brainstem location, and pathology.
| Total (N) | 143 |
|---|---|
| Males, N (%) | 86 (60) |
| Females | 57 (40) |
| Median age, yrs | 36 |
| 18–21, N (%) | 11 (8) |
| 22–39 | 75 (52) |
| 40–59 | 46 (32) |
| 60 and over | 11 (8) |
| Median KPS at Dxa | 90 |
| KPS 100, N (%) | 22 (15) |
| 90 | 59 (41) |
| 80 | 31 (22) |
| 70 | 16 (11) |
| 60 | 5 (4) |
| 50 or below | 7 (5) |
| UNK in 3 cases (2%)a | |
| Brainstem location N (%): | |
| Midbrain | 17 (12) |
| Pons | 90 (63) |
| Medulla | 36 (25) |
| Pathologic diagnosesa: | |
| Glioblastoma | 28 (20) |
| Anaplastic astrocytoma | 43 (30) |
| Diffuse astrocytomas | 15 (10) |
| Glioma NOS | 11 (8) |
| No biopsy | 43 (30) |
a
3 cases (2%) biopsy inconclusive.