Table 2.
Results of univariate analysis of predictors of overall survival.
| Med OS (Yr) | 5-yr OS (%) | Hazard ratio | 95% confidence interval | P-value | |||
|---|---|---|---|---|---|---|---|
| Procedure | RFA | 2.6 | 23 | 1.00 | |||
| Resection | 3.8 | 43 | 0.54 | 0.32 | .91 | .021 | |
| Age | <70 | 3.5 | 38 | 1.00 | |||
| ≥70 | 2.5 | 26 | 1.81 | 1.08 | 3.05 | .025 | |
| Gender | Male | 3.1 | 30 | 1.00 | |||
| Female | 3.4 | 38 | 0.87 | 0.51 | 1.51 | .630 | |
| Hospital | HSC | 3.3 | 30 | 1.00 | |||
| SBGH | 3.3 | 40 | 1.04 | 0.60 | 1.78 | .900 | |
| Primary tumor | Colon | 3.3 | 36 | 1.00 | |||
| Rectum | 2.5 | 28 | 1.13 | 0.63 | 2.00 | .660 | |
| Node positive primary | No | 3.1 | 44 | 1.00 | |||
| Yes | 3.3 | 30 | 0.97 | 0.54 | 1.72 | .910 | |
| Timing of lesion(s) | Synchronous | 3.8 | 50 | 1.00 | |||
| Metachronous | 2.4 | 19 | 1.99 | 1.17 | 3.39 | .012 | |
| Bilateral disease | Yes | 2.4 | 36 | 1.00 | |||
| No | 3.3 | 32 | 0.78 | 0.40 | 1.57 | .460 | |
| No. lesions | <5 | 3.3 | 37 | 1.00 | |||
| ≥5 | 2.1 | 0 | 2.93 | 1.30 | 6.60 | .009 | |
| Size of lesion(s) | <5 cm | 3.5 | 44 | 1.00 | |||
| ≥5 cm | 2.5 | 11 | 1.85 | 1.09 | 3.17 | .024 | |
| Postoperative chemo | Yes | 3.0 | 24 | 1.00 | |||
| No | 3.3 | 39 | 0.85 | 0.49 | 1.45 | .540 | |