Table 4.
Multivariate Cox regression analysis of prognostic factors
| Clinical features | P | Exp ( B ) | 95.0%confidence interval |
|---|---|---|---|
| Sex |
0.131 |
2.076 |
0.805–5.355 |
| Age |
0.186 |
1.022 |
0.990–1.056 |
| Tumor diameter |
0.434 |
1.270 |
0.698–2.312 |
| Distance to anal margin |
0.410 |
0.862 |
0.607–1.226 |
| Width of tumor basal part |
0.216 |
0.033 |
0.000–7.369 |
| Gross type |
0.610 |
1.251 |
0.529–2.956 |
| Pathological type |
0.305 |
1.304 |
0.785–2.165 |
| T stage |
0.042 |
2.622 |
1.037–6.625 |
| Adjuvant radiotherapy |
0.163 |
0.480 |
0.172–1.345 |
| Recurrence or metastasis | <0.001 | 3.025 | 1.985–4.611 |