Table 5.
Multivariate analysis for disease-free survival according to the objective response to neoadjuvant therapy
| Class | Number of observation | Hazard ratio (95% CI) | P |
|---|---|---|---|
| ypN | |||
| N0 | 45 | 1 | 0.0002 |
| N1, N2, N3 | 52 | 3.63 (1.82–7.24) | |
| Margin-free resection | |||
| R0 | 93 | 1 | 0.1427 |
| R1 | 4 | 2.08 (0.781–5.54) | |
| ypT | |||
| T0 | 10 | 1 | 0.4400 |
| T1, T2, T3, T4 | 87 | 1.62 (0.478–5.46) | |
| Objective response | |||
| Progression | 9 | 1.74 (0.925–3.27) | 0.0857 |
| Response | 44 | 1 | |
| Stable | 44 | 1.85 (0.592–5.78) | |
| ASA | |||
| 1 | 20 | 1 | 0.0050 |
| 2–3 | 77 | 0.375 (0.189–0.744) |
ASA: American Society of Anesthesiologists; CI: Confidence interval.