Table 2.
Univariate Analysis of Overall Survival among patients with Grade 2 and Grade Ependymomas (n = 19) treated with Fractionated Stereotactic Radiotherapy (FSRT).
| Variable | 5 yrs. Survival rate | 10 yrs. Survival rate | P (Cox regression) |
| all patients | 77% | 64% | |
| age | |||
| < 4 | 56% | 18% | 0.04 |
| ≥ 4 | 85% | 76% | |
| gender | |||
| female | 76% | 61% | 0.92 |
| male | 78% | 66% | |
| histology | |||
| II | 87% | 52% | 0.92 |
| III | 64% | 64% | |
| tumor site | |||
| supratentorial | 100% | 0% | 0.44 |
| infratentorial | 72% | 55% | |
| extent of surgery | |||
| total resection | 100% | 67% | 0.54 |
| subtotal resection | 70% | 62% | |
| primary radiotherapy | |||
| FSRT+CSI | - | - | 0.45 |
| posterior fossa + boost | 78% | 78% | |
| tumor bed | 100% | 100% |