Variables | Univariate | Multivariate | |
---|---|---|---|
p value | HR(95%CI) | p value | |
Age, y (≥ 60 vs < 60) | 0.191 | – | – |
Sex (Male vs Female) | 0.073 | – | – |
ECOG PS score (≤ 1 vs > 1) | 0.013 | 0.52 (0.31,0.88) | 0.013 |
Smoking index (< 400 vs ≥ 400) | 0.014 | 1.56 (1.16,2.11) | 0.003 |
Number of metastases (≤ 2 vs > 2) | 0.006 | 1.01 (0.61,1.68) | 0.962 |
Metastatic organs (Single vs Multiple) |  < 0.001 | 1.52 (0.97,2.36) | 0.065 |
Brain metastasis (yes vs no) | 0.299 | – | – |
Liver metastasis (yes vs no) |  < 0.001 | 1.71 (1.22,2.41) | 0.002 |
Bone metastasis (yes vs no) | 0.011 | 1.13 (0.82,1.56) | 0.455 |
Weight loss (yes vs no) | 0.021 | 1.60 (1.04,2.46) | 0.034 |
PCI (yes vs no) | 0.018 | 0.48 (0.24,0.96) | 0.039 |