Table 2 Univariate and multivariate analysis of prognostic factors for overall survival
Variable | Category | Univariate | Multivariate | ||
|---|---|---|---|---|---|
HR (95% CI) | P value | HR (95% CI) | P value | ||
Age (years) | >65/≤64 | 2.99 (1.69 to 5.34) | <0.001 | 3.03 (1.70 to 5.42) | <0.001 |
Gender | Female/Male | 1.56 (0.81 to 3.00) | 0.189 | - | - |
Smoking | Yes/No | 2.03 (1.07 to 3.83) | 0.030 | - | |
Histology | Others/ADC | 1.59 (0.94 to 2.68) | 0.082 | - | - |
Stage | II + III/I | 1.76 (1.03 to 3.01) | 0.037 | 1.78 (1.04 to 3.05) | 0.034 |
pT | 2 to 4/1 | 2.38 (1.02 to 5.59) | 0.046 | - | - |
pN | 1 to 3/0 | 1.44 (0.86 to 2.43) | 0.168 | - | - |
Leukocytosis | Yes/No | 1.34 (0.54 to 3.36) | 0.532 | - | - |
Anemia | Yes/No | 1.68 (0.97 to 2.91) | 0.066 | - | - |
Thrombocytosis | Yes/No | 2.93 (1.38 to 6.22) | 0.005 | 2.98 (1.39 to 6.37) | 0.005 |