Table II.
Patient characteristics.
| Clinical variables | Group A (n=37) | Group B (n=33) | P |
|---|---|---|---|
| Mean age (years) | 56.5±10.0 | 58.8±10.2 | 0.903 |
| Male-to-female ratio | 19:18 | 21:12 | 0.300 |
| pT | |||
| pT2 | 1 | 0 | >0.999 |
| pT3–pT4 | 36 | 33 | |
| pN | |||
| pN0 | 12 | 10 | 0.544 |
| pN1 | 9 | 5 | |
| pN2 | 16 | 18 | |
| Location | |||
| Right colon | 6 | 5 | 0.903 |
| Left colon/rectum | 31 | 28 | |
| Histology | |||
| Well/mod. diff. | 30 | 26 | 0.811 |
| Poorly/mucinous | 7 | 7 | |
| Lymphovascular invasion | 2 | 11 | 0.004 |
Right colon was defined as from the appendix and cecum to the proximal 2/3 of transverse colon. Left colon from the distal 1/3 of the transverse colon to the rectum. mod. diff., moderately differentiated.