Table 4.
Multivariate analysis of risk factors for 5-year DFS and OS in stage III rectal cancer
| Disease-free survival | Overall survival | |||||
|---|---|---|---|---|---|---|
| HR | 95% Cl | P value | HR | 95% CI | P value | |
| R2 value | 2.467 | 0.029–0.735 | 0.020 | 0.110 | 0.027–0.459 | 0.002 |
| POD 7 CEA (ng/ml) | 0.566–3.356 | 0.480 | 1.243–6.407 | 0.013 | ||
| ≤5 | 1.378 | 2.882 | ||||
| >5 | 1 | 1 | ||||
| POD 30 CEA (ng/ml) | 0.781–6.702 | 0.131 | 0.567–4.078 | 0.413 | ||
| ≤5 | 2.288 | 1.513 | ||||
| >5 | 1 | 1 | ||||
| Pathologic N stage | 1.076–5.656 | 0.033 | 1.130–5.401 | 0.023 | ||
| N1 | 2.467 | 2.470 | ||||
| N2 | 1 | 1 | ||||
HR hazards ratio; CI confidence interval; CEA carcinoembryonic antigen; POD postoperative day