Characteristics | Univaiate analysis | Multivariate analysis | ||
Univariable HR (95% CI) | P value | Univariable HR (95% CI) | P value | |
Age (years) <60 versus ≥60 | 1.24 (0.58 - 2.6) | 0.58 | 0.23 (0.06 - 0.81) | 0.02 |
Sex Male versus Female | 2.21 (0.89 - 5.48) | 0.09 | 1.9 (0.44 - 8.16) | 0.39 |
PS 0 - 1 versus 2 | 1.24 (0.57 - 2.68) | 0.59 | 1.42 (0.48 - 4.19) | 0.52 |
T stage T1/T2 versus T3/T4 | 0.95 (0.45 - 1.99) | 0.88 | 0.83 (0.28 - 2.42) | 0.73 |
N stage N0/ N1 versus N2/N3 | 0.78 (0.36 - 1.67) | 0.52 | 0.44 (0.15 - 1.26) | 0.12 |
Number of metastasis 1 - 3 versus 4 - 5 | 0.83 (0.22 - 3.1) | 0.77 | 0.66 (0.13 - 3.38) | 0.62 |
EGFR Negative versus Positive | 1.2 (0.71 - 2.05) | 0.49 | 2.17 (0.79 - 5.98) | 0.13 |
ALK Negative versus Positive | 1.78 (0.85 - 3.76) | 0.13 | 2.47 (0.86 - 7.18) | 0.09 |
CNS metastasis Yes versus No | 1.56 (0.45 - 5.45) | 0.49 | 40.9 (6.1 - 276.4) | <0.001 |
Site of metastasis Single organ versus Multiple organ | 2.93 (1.29 - 6.65) | 0.01 | 2.76 (0.84 - 9.12) | 0.09 |