| Overall Survival |
|||
| Adjustment Variables | Adjusted HR (CI) | p-value | |
| Treatment (Gem vs. 5-FU) | 1.23 (0.97,1.54) | 0.08 | |
| CA 19–9 |
|||
<180 vs.  180 |
3.58 (2.40, 5.34) | <0.0001 | |
| <180 vs. Lewis Antigen Negative | 1.12 (0.87, 1.44) | 0.37 | |
| Nodal Involvement (no vs. yes) | 1.46 (1.13, 1.89) | 0.004 | |
| Tumor Diameter (<3 vs. 3cm) |
1.07 (0.83, 163) | 0.60 | |
| Surgical Margin Status |
|||
| Negative vs. Positive | 1.24 (0.94, 1.63) | 0.13 | |
| Negative vs. Unknown | 0.96 (0.71, 1.30) | 0.78 | |