Table 3.
Prognostic factors of 5-year survival by multivariate analysis
| Prognostic factor | Overall survival |
Disease-free survival |
||
|---|---|---|---|---|
| HR (95% CI) | p-value | HR (95% CI) | p-value | |
| Age | ||||
| > 60 yr vs. ≤ 60 yr | 0.885 (0.434-1.806) | 0.738 | 1.049 (0.534-2.061) | 0.889 |
| Sex | ||||
| Female vs. male | 0.745 (0.353-1.571) | 0.440 | 0.859 (0.416-1.773) | 0.682 |
| Tumor stage | ||||
| T3 and T4 vs. T1 and T2 | 0.816 (0.276-2.413) | 0.713 | 1.108 (0.382-3.217) | 0.850 |
| Histology | ||||
| Poorly and mucinous vs. well and moderately | 1.660 (0.553-4.986) | 0.366 | 1.299 (0.443-3.807) | 0.634 |
| Positive retrieved PALNs | ||||
| > 7 vs. ≤ 7 | 3.291 (1.309-8.275) | 0.011 | 2.484 (0.993-6.211) | 0.052 |
| Preoperative CEA | ||||
| > 5 vs. ≤ 5 | 1.575 (0.738-3.361) | 0.241 | 1.953 (0.940-4.057) | 0.073 |
HR, hazard ratio; CI, confidence interval; PALN, para-aortic lymph node; CEA, carcinoembryonic antigen.