Table 2.
Multivariate Cox regression model for overall survival
| Hazard ratio | 95%CI | p | |
|---|---|---|---|
| Existence of extracranial metastases | |||
| yes vs no | 2.667 | 1.32-5.91 | 0.0052 |
| KPS at initial diagnosis of BM | |||
| < 70 vs ≥70 | 1.487 | 0.86-2.58 | 0.1525 |
| Number of BM | |||
| 2-4 vs 1 | 1.009 | 0.49-2.06 | 0.9801 |
| ≥ 5 vs 1 | 2.440 | 1.16-5.16 | 0.0184 |
| ≥ 5 vs 2-4 | 2.418 | 1.20-4.94 | 0.0135 |
| Treatment | |||
| Surgery only vs Surgery + Radiation | 15.84 | 2.24-70.51 | 0.0100 |
| Surgery only vs Radiation | 11.19 | 1.60-48.16 | 0.0199 |
| Radiation vs Surgery + Radiation | 1.416 | 0.79-2.62 | 0.2436 |
Significant values are in bold font