| Variables | Unfavorable outcome | ||
|---|---|---|---|
| Univariate | |||
| HR | p value | 95% CI | |
| Age >70 y | 0.9963 | ||
| Male gender | 2.33 | 0.4304 | 0.24~19.82 |
| Middle fossa location | 0.67 | 0.6931 | 0.07~4.99 |
| Posterior fossa location | 1.50 | 0.6931 | 0.20~13.56 |
| Peritumoral edema | 0.9953 | ||
| Central necrosis | 4.25 | 0.3410 | 0.15~124.90 |
| Total marginal dose ≥18 Gy | 0.9963 | ||
| Tumor volume ≥20 cm3 | 1.33 | 0.7822 | 0.15~10.36 |