| Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
 | No. patients | P | Regression coefficient (SE) | P | Relative risk | 95% confidence interval |
Age | Â | 0.147 | 0.020(0.014) | 0.779 | 1.004 | 0.976-1.032 |
   ≤ 65 | 53 |  |  |  |  |  |
   >65 | 36 |  |  |  |  |  |
NSCLC histology (AJCC grade) | ||||||
   I | 33 | 0.016 | 0.354(0.146) | 0.049 | 1.368 | 1.001-1.868 |
   II |  |  |  |  |  |  |
   III | 56 |  |  |  |  |  |
   IV |  |  |  |  |  |  |
SOX9 | Â | 0.000 | 0.776(0.199) | 0.001 | 2.004 | 1.350-2.974 |
   Low | 44 |  |  |  |  |  |
   High | 45 |  |  |  |  |  |