Table 4. Major liver resection.
| Simultaneous | Staged | p-value | |
|---|---|---|---|
| Patients | 107 (33.4%) | 79 (72.5%) | p<0.01 |
| Age | 55±14 | 59±12 | p=0.04 |
| Primary rectum | 28% | 49% | p=0.03 |
| Size liver lesion | 5.8±4.2cm | 6.0±3.6cm | p=0.64 |
| Number liver lesions | 2.5±1.3 | 2.2±1.2 | p=0.43 |
| OR colorectal | |||
| Right | 32 (29.9%) | 10 (12.7%) | p<0.01 |
| Left | 21 (19.6%) | 19 (24.0%) | |
| AR | 8 (7.5%) | 1 (1.3%) | |
| LAR | 44 (41.2%) | 41 (51.9%) | |
| APR | 2 (1.8%) | 8 (10.1%) | |
| R1 resection | 16 (15.0%) | 4 (5.1%) | p=0.03 |
| Survival | |||
| overall | |||
| median | 42% | 47% | p=0.99 |
| 1 year | 88% | 92% | |
| 5 years | 34% | 41% | |
| DFS | |||
| 1 year | 45.0% | 72.0% | p=0.04 |
| 5 years | 22.6% | 22.6% | |
Right, right and extended right colectomy; left, left and extended left colectomy, AR, anterior resection; LAR, low anterior resection; APR, abdominoperineal resection: DFS, disease-free survival. Hepatic metastases are reported by histopathological assessment.