Variable | Univariate analysis | Â | Multivariate analysis | ||||
---|---|---|---|---|---|---|---|
HR | 95% CI | P | Â | HR | 95% CI | P | |
Monotherapy v Combined therapy | 0.063 | 0.404–0.984 | 0.042 |  | 0.617 | 0.394–0.964 | 0.034 |
Gender | Â | Â | Â | Â | Â | Â | Â |
Female v Male | 1.388 | 0.818–2.354 | 0.224 |  |  |  |  |
Age, years | 0.993 | 0.972–1.015 | 0.541 |  |  |  |  |
KPS score | Â | Â | Â | Â | Â | Â | Â |
90–100 v 70–80 | 1.015 | 0.970–1.061 | 0.532 |  |  |  |  |
PCI | Â | Â | Â | Â | Â | Â | Â |
No v yes | 0.369 | 0.160–0.849 | 0.019 |  | 0.442 | 0.188–1.044 | 0.063 |
Number of brain metastasis | Â | Â | Â | Â | Â | Â | Â |
1–5 v > 5 | 2.077 | 1.324–3.258 | 0.001 |  | 1.808 | 1.140–2.867 | 0.012 |