Table 3.
Multivariate analysis of clinicopathological factors associated with overall survival in patients with advanced rectal cancer
| Factor | β | SE | Wald | df | p value | HR (95%CI) |
|---|---|---|---|---|---|---|
| Pathology | −0.094 | 0.310 | 0.091 | 1 | 0.76 | 0.911 (0.496–1.672) |
| Differentiation | −0.546 | 0.245 | 4.968 | 1 | 0.026 | 0.579 (0.358–0.936) |
| LNs examined | 0.439 | 0.203 | 4.684 | 1 | 0.030 | 1.551 (1.042–2.307) |
| LNR | −0.535 | 0.224 | 5.732 | 1 | 0.017 | 0.585 (0.378–0.907) |
| pN stage | 0.202 | 0.104 | 3.785 | 1 | 0.05 | 1.224 (0.998–1.501) |
| TNM stage | 0.239 | 0.155 | 2.390 | 1 | 0.12 | 1.270 (0.938–1.721) |
| Postoperative radiotherapy | −0.869 | 0.194 | 20.067 | 1 | < 0.001 | 0.419 (0.287–0.613) |
CI = confidence interval; df = degrees of freedom; HR = hazard ratio; LN = lymph node; LNR = lymph node ratio; pN = metastasis classification of lymph nodes; SE = standard error; TNM = tumour-node-metastasis.