Table 3.
Outcomes of multivariate analyses.
| Characteristic | Patients N (%) | Median OS (months) | HR (95% CI) | P value |
|---|---|---|---|---|
| KPS | ||||
| 90–100 | 93 (60.8) | 20.7 | 1.83 (1.69–1.97) | 0.008 |
| 70–80 | 60 (39.2) | 11.4 | ||
| RTOG RPA class | ||||
| III-IV | 123 (80.4) | 19.9 | 2.24 (2.06–2.42) | <0.001 |
| V | 30 (19.6) | 8.3 | ||
| Extent of surgery | ||||
| Gross total | 54 (35.3) | 19.5 | 1.49 (1.38–1.60) | 0.037 |
| Subtotal/biopsy | 99 (64.7) | 12.4 | ||
| CRP/Alb ratio | ||||
| <0.75 | 104 (68.0) | 22.5 | 2.41 (2.23–2.59) | <0.001 |
| ≥0.75 | 49 (32.0) | 15.7 |
HR, hazard ratio; CI, confidence interval; KPS, Karnofsky performance score; RTOG RPA, radiation therapy oncology group recursive partitioning analysis; CRP/Alb, CRP to albumin ratio.