Table 1.
Patient and tumor characteristics
| Characteristics | Right colon n=49 | Left colon n=44 | P | ||
|---|---|---|---|---|---|
| Age, Median (range) | 61 | (37–84) | 54 | (31–76) | <0.001 |
| Sex N(%) | 0.65 | ||||
| Female | 29 | 59% | 24 | 55% | |
| Male | 20 | 41% | 20 | 45% | |
| Presentation N(%) | 0.8 | ||||
| Synchronous | 17 | 35% | 16 | 36% | |
| Metachronous | 32 | 65% | 28 | 64% | |
| Site of first recurrence N(%) | 0.5 | ||||
| Peritoneum | 38 | 78% | 30 | 68% | |
| Liver | 6 | 12% | 10 | 23% | |
| Lung | 0 | 0% | 1 | 2% | |
| Lung + peritoneum | 1 | 2% | 1 | 2% | |
| Liver + Peritoneum | 4 | 8% | 2 | 5% | |
| PCI, Median (range) | 10 | (0–23) | 7 | (1–20) | 0.14 |
| T stage N{%) | 0.54 | ||||
| 1 | 0 | 0% | 1 | 1% | |
| 2 | 0 | 0% | 1 | 1% | |
| 3 | 24 | 49% | 20 | 47% | |
| 4 | 25 | 51% | 22 | 51% | |
| N stage* N (%) | 0.31 | ||||
| 0 | 12 | 25% | 14 | 33% | |
| 1 | 14 | 29% | 16 | 37% | |
| 2 | 22 | 46% | 13 | 30% | |
PCI, peritoneal carcinoma index
*
One patient in each group was missing N stage information