Table 3.
Prognostic factors for overall and disease-free survival (n = 264).
| OS | DFS | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Univariate | P | Multivariate | P | Univariate | P | Multivariate | P | ||
| HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | ||||||
| Age (y) | .390 | .941 | |||||||
| ≥60 | |||||||||
| <60 | 0.743 (0.378–1.462) | 1.025 (0.541–1.940) | |||||||
| Gender | .437 | .459 | |||||||
| Male | |||||||||
| Female | 1.311 (0.662–2.597) | 1.276 (0.670–2.429) | |||||||
| T classification | .096 | .120 | |||||||
| T4a | |||||||||
| T4b | 2.030 (0.882–4.672) | 1.918 (0.843–4.363) | |||||||
| N classification | <.001 | .019 | <.001 | .001 | |||||
| N0 | |||||||||
| N1 | |||||||||
| N2 | 5.747 (2.681–12.200) | 3.435 (1.414–8.264) | 6.410 (3.086–13.333) | 4.405 (1.984–9.804) | |||||
| Tumor size (cm) | .533 | .687 | |||||||
| ≥6 | |||||||||
| <6 | 0.807 (0.412–1.583) | 0.877 (0.463–1.662) | |||||||
| Cancer nodules | .964 | .770 | |||||||
| Positive | |||||||||
| Negative | 0.976 (0.344–2.773) | 1.167 (0.414–3.290) | |||||||
| Perineural invasion | .286 | .154 | |||||||
| Positive | |||||||||
| Negative | 0.619 (0.256–1.495) | 0.550 (0.242–1.250) | |||||||
| Vascular invasion | .021 | .890 | .005 | .283 | |||||
| Positive | |||||||||
| Negative | 0.355 (0.147–0.857) | 0.929 (0.326–2.642) | 0.311 (0.137–0.706) | 0.610 (0.247–1.506) | |||||
| Differentiation | <.001 | .011 | .003 | .053 | |||||
| Well | |||||||||
| Moderate | |||||||||
| Poor | 3.603 (1.815–7.151) | 2.583 (1.243–5.367) | 2.776 (1.413–5.456) | 1.936 (0.991–3.785) | |||||
| ASA | .413 | .578 | |||||||
| 1 | |||||||||
| 2 | |||||||||
| 3 | 0.557 (0.228–1.363) | 0.910 (0.277–2.985) | |||||||
| CA199 (ug/L) | .003 | .108 | .013 | .263 | |||||
| ≥37 | |||||||||
| <37 | 0.352 (0.176–0.704) | 0.534 (0.249–1.146) | 0.428 (0.219–0.837) | 0.662 (0.321–1.364) | |||||
| CA125 (ug/L) | .129 | .078 | |||||||
| ≥35 | |||||||||
| <35 | 0.505 (0.209–1.219) | 0.478 (0.211–1.087) | |||||||
| CEA (ug/L) | .562 | .881 | |||||||
| ≥5 | |||||||||
| <5 | 0.827 (0.435–1.573) | 0.956 (0.531–1.722) | |||||||
| AFP (ug/L) | .038 | .434 | .066 | ||||||
| ≥25 | |||||||||
| <25 | 0.120 (0.016–0.886) | 0.408 (0.043–3.870) | 0.155 (0.021–1.134) | ||||||
| Procedure | .952 | .503 | |||||||
| RHC | |||||||||
| TCR | |||||||||
| LHC | 1.114 (0.452–2.747) | 0.690 (0.251–1.898) | |||||||
ASA = American Society of Anesthesiologists, CI = confidence interval, DFS = disease-free survival, HR = hazard ratios, LHC = left hemicolectomy, OS = overall survival, RHC = right hemicolectomy, TCR = transverse colon resection.