Table 5.
Multivariate cox proportional hazards analysis disease specific survival by prognostic factors in adult patients with glioblastoma.
| Characteristic | HR (95%CI) | P |
|---|---|---|
| Age | ||
| 20–40 | Reference | .065 |
| 40–60 | 1.953 (0.835–4.569) | .123 |
| 60–80 | 2.620 (1.090–6.299) | .071 |
| 80- | 3.889 (1.350–11.208) | .112 |
| Grade | ||
| Grade I–II | Reference | .000 |
| Grade III–IV | 13.812 (3.333–57.242) | |
| Surgery | ||
| No | Reference | .021 |
| Yes | 0.566 (0.349–0.917) | |
| Radiation | ||
| No | Reference | .494 |
| Yes | 1.221 (0.689–2.165) | |
| Chemotherapy | ||
| No | Reference | .533 |
| Yes | 0.665 (0.442–1.000) |
HR = hazard ratio.