Table 8.
Cox regression analysis of adenocarcinoma and squamous cell esophageal data using key variables and interactions identified by the RF data-driven analysis. Columns show hazard ratio and their lower and upper 95% confidence values for each variable
| Hazard | Lower CI | Upper CI | |
| Cell | 12.694 | 0.407 | 396.089 |
| T1 | 17.461 | 1.036 | 294.329 |
| T2 | 33.060 | 2.186 | 500.049 |
| T3 | 48.566 | 3.260 | 723.452 |
| T4 | 157.224 | 9.774 | 2529.111 |
| G | 6.841 | 2.709 | 17.275 |
| N | 2.127 | 1.926 | 2.350 |
| Age | 1.015 | 1.011 | 1.020 |
| Location | 0.814 | 0.738 | 0.898 |
| Cell:T1 | 0.046 | 0.001 | 1.626 |
| Cell:T2 | 0.039 | 0.001 | 1.354 |
| Cell:T3 | 0.085 | 0.003 | 2.731 |
| Cell:T4 | 0.042 | 0.001 | 2.865 |
| Cell:G | 0.162 | 0.018 | 1.473 |
| T1:G | 0.177 | 0.065 | 0.479 |
| T2:G | 0.175 | 0.068 | 0.449 |
| T3:G | 0.159 | 0.063 | 0.403 |
| T4:G | 0.120 | 0.045 | 0.316 |
| Cell:T1:G | 7.430 | 0.783 | 70.469 |
| Cell:T2:G | 7.484 | 0.799 | 70.094 |
| Cell:T3:G | 6.434 | 0.702 | 58.981 |
| Cell:T4:G | 8.929 | 0.823 | 96.853 |
CI, confidence interval.