Table 2.
Influence of primary tumor side (PTS) on overall survival (OS) after diagnosis of brain metastases (BM). Univariable and multivariable Cox proportional hazard models
| Univariate analysis |
Multivariate analysis |
|||
|---|---|---|---|---|
| Hazard ratio (95% CI) | P value | Hazard ratio (95% CI) | P value | |
| PTS | 0.628 (0.444-0.889) | 0.009 | 0.651 (0.460-0.923) | 0.016 |
| GPA | 1.389 (1.140-1.693) | 0.001 | 1.370 (1.124-1.669) | 0.002 |
| GI-GPA | 1.008 (0.883-1.152) | n.s. | — | — |
CI, confidence interval; GI-GPA, graded prognostic assessment of gastrointestinal cancer; GPA, graded prognostic assessment; n.s., non-significant; PTS, primary tumor side.