Table 1 Patient demographics.
| Â | All patients N = 498 |
|---|---|
Age | Â |
Median (range) | 63 (21-79) |
| Â | N (%) |
Sex | Â |
   Female | 229 (46) |
   Male | 269 (54) |
Primary site | Â |
   Rectum | 161 (32) |
   Sigmoid | 137 (27) |
   Cecum | 69 (14) |
   Ascending | 57 (11) |
   Descending | 37 (7) |
   Transverse | 35 (7) |
   Unknown | 2 (0.4) |
Stage at diagnosis | Â |
   Dukes' B | 246 (49) |
   Dukes' C | 252 (51) |
Differentiation Grade | Â |
   Good | 67 (14) |
   Moderate | 357 (72) |
   Poor | 62 (12) |
   Undifferentiated | 3 (1) |
   Unknown | 9 (2) |
Adjuvant radiotherapy | Â |
   No | 325 (65) |
   Yes | 143 (29) |
   Unknown | 30 (6) |
Adjuvant chemotherapy | Â |
   5FU/LV/Irinotecan | 190 (38) |
   5FU/LV ± IFNα | 286 (57) |
   5FU/LV/Oxaliplatin | 17 (3) |
   Other | 5 (1) |