Multivariate analysis of survival outcomes
| Predictor | P Valuea | HR | 95% CI |
|---|---|---|---|
| PFS | |||
| Age 50 yr or older | .018 | 1.857 | 1.111–3.106 |
| Preoperative KPS < 80 | .015 | 2.158 | 1.179–3.471 |
| <GTR | .028 | 1.598 | 1.053–2.597 |
| IDH1 wild type | .004 | 2.277 | 1.303–3.968 |
| OS | |||
| Age 50 yr or older | .016 | 1.431 | 1.342–2.434 |
| Preoperative KPS < 80 | .026 | 1.836 | 1.087–3.402 |
| <GTR | .023 | 1.488 | 1.210–2.432 |
| IDH1 wild-type | .002 | 2.463 | 1.389–4.386 |
↵a Cox proportional hazard regression analyses. A P value of .05 denoted significance.