| Characteristics | Demographics |
| Median age (years) | 10.6 |
| Range of ages (years) | 1.6 - 17.4 |
| Male | 12 |
| Female | 4 |
| Ethnicity | W-13, I-1, M-1, Y-1 |
| Tumor Type | |
| Astrocytoma | 5 |
| Astrocytoma fibrillary | 2 |
| Astrocytoma pilocytic | 9 |
| Karnofsky Performance Score | |
| Median | 70 |
| 40 | 1 |
| 50 | 3 |
| 60 | 3 |
| 70 | 2 |
| 80 | 3 |
| 90 | 3 |
| 100 | 1 |
| Prior Treatment | |
| Stereotactic biopsy | 1 |
| Excisional biopsy | 3 |
| Excisional biopsy and Chemotherapy | 2 |
| Partial resection | 4 |
| Partial resection and chemotherapy | 4 |
| Partial resection, chemotherapy and radiation therapy | 2 |