Table IV.
The univariate and multivariate Cox proportional hazards analyses of the clinicopathological factors associated with recurrence-free survival.
| Univariate | Multivariate | ||||||
|---|---|---|---|---|---|---|---|
| Factor | Number | HR | 95% CI | P-value | HR | 95% CI | P-value |
| Age (years) | 0.256 | ||||||
| 70–79 years | 137 | 1.000 | |||||
| ≥80 years | 54 | 1.306 | 0.991–1.994 | ||||
| Sex | 0.701 | ||||||
| Female | 71 | 1.000 | |||||
| Male | 120 | 1.067 | 0.768–1.482 | ||||
| Pathological T factor | 0.086 | 0.063 | |||||
| −T3 | 136 | 1.000 | 1.000 | ||||
| T4− | 55 | 1.403 | 0.953–2.066 | 1.445 | 0.981–2.128 | ||
| Pathological N factor | 0.248 | ||||||
| Negative | 75 | 1.000 | |||||
| Positive | 116 | 1.215 | 0.873–1.691 | ||||
| Tumor location | 0.279 | ||||||
| Right-side | 73 | 1.000 | |||||
| Left-side rectum | 118 | 1.197 | 0.864–1.659 | ||||
| ASA-PS | <0.001 | <0.001 | |||||
| 1 | 78 | 1.000 | 1.000 | ||||
| 2–3 | 113 | 2.620 | 1.843–3.726 | 2.851 | 1.814–3.671 | ||
| Postoperative surgical complication | 0.727 | ||||||
| No | 137 | 1.000 | |||||
| Yes | 54 | 1.076 | 0.713–1.625 | ||||