| Variable | Category | No. (%) |
| Age | <40 | 47 (47%) |
|
| 40 - 50 | 33 (33%) |
|
| >50 | 20 (20%) |
| Performance | <1 | 75 (75%) |
|
| 2 | 25 (25%) |
| Gender | Male | 52 (52%) |
|
| Female | 48 (48%) |
| tumor site | Colon | 74 (74%) |
|
| Rectum | 26 (26%) |
| Histopathology | Classic adenocarcinoma | 86 (86%) |
|
| G1 | 24 (27.9%) |
|
| G2 | 32 (37.2%) |
|
| G3 | 30 (34.8%) |
|
| Variant of adenocarcinoma | 14 (14%) |
|
| Mucinous | 9 (64.3%) |
|
| Signet ring carcinoma | 5 (35.7%) |
| CEA | Normal | 58 (58%) |
|
| High | 42 (42%) |
| Type of surgery | RT hemicolectomy | 25 (25%) |
|
| Lt Hemicolectomy | 20 (20%) |
|
| Extended Rt hemicolectomy | 12 (12%) |
|
| Extended LT hemicolectomy | 10 (10%) |
|
| Near total colectomy | 4 (4%) |
|
| Hartman’s operation | 3 (3%) |
|
| High anterior resection of Dixon | 9 (9%) |
|
| Low anterior resection of Dixon | 10 (10%) |
|
| Coloanal anastomosis with covering ileostomy | 3 (3%) |
|
| Abdominoperineal resection | 4 (4%) |
| ERCC1 expression | High | 21 (21%) |
|
| Low | 79 (79%) |