Table 2.
Univariate analysis associated with DFS.
| Factors | Patient number | Median DFS (months) | P (log-rank test) |
|---|---|---|---|
| Adjuvant chemotherapy | |||
| FU/LV | 19 | 14.2 | 0.022 |
| FOLFOX/FOLFIRI | 31 | 34.3 | |
| Age (years) | |||
| <70 | 26 | 20.1 | 0.391 |
| ≥70 | 24 | 15.3 | |
| Gender | |||
| Male | 34 | 18.9 | 0.647 |
| Female | 16 | 17.0 | |
| Primary tumor | |||
| Colon | 34 | 18.9 | 0.768 |
| Rectum | 16 | 15.4 | |
| Stage of primary CRC | |||
| II | 19 | Not achieved (>33.0) | 0.016 |
| III | 31 | 13.6 | |
| Maximum CLM size (cm) | |||
| ≤3 | 30 | 13.6 | 0.693 |
| >3 | 20 | 33.0 | |
| Number of CLMs | |||
| 1 | 29 | 33.0 | 0.221 |
| ≥2 | 21 | 17.0 | |
| CLM distribution | |||
| Unilobar | 40 | 33.0 | 0.335 |
| Bilobar | 10 | 15.3 | |
| Time from surgery of primary CRC to metastases (months) | |||
| ≤12 | 24 | 11.8 | 0.036 |
| >12 | 26 | 34.3 | |
| CLM resection margin | |||
| R0 resection | 46 | 33.0 | 0.00 |
| R1 resection | 4 | 3.9 | |
| CEA at metastasectomy (ng/ml) | |||
| ≤50 | 39 | 33.0 | 0.003 |
| >50 | 11 | 9.0 | |
| Prior FOLFOX/FOLFIRI following resection of primary CRC | |||
| No | 46 | 17.0 | 0.730 |
| Yes | 4 | 20.1 | |