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Multivariate analysis of variables predictive of OS.
| Variables | HR | 95% CI | P value |
|---|---|---|---|
| Number of lesions | 1.213 | 0.722-1.758 | 0.126 |
| GPA score | 0.523 | 0.519-1.126 | 0.002 |
| KRAS mutation | 1.713 | 1.116-2.332 | 0.035 |
| Extracranial metastasis | 1.557 | 1.122-2.778 | 0.005 |
| Bevacuzumab | 1.889 | 1.178-2.386 | 0.001 |
