Sex | | | |
Female | 48 | 8 (17) | 0.849 |
Male | 161 | 25 (16) | |
Age (y) | | | |
20–74 | 155 | 25 (16) | 0.820 |
75–99 | 54 | 8 (15) | |
Tumour site | 102 | 16 (16) | 0.968 |
Colon | | | |
Rectum | 107 | 17 (16) | |
Tumour size (cm) | 127 | 19 (15) | 0.683 |
<5 | | | |
⩾5 | 82 | 14 (17) | |
Venous invasion | | | |
No | 146 | 26 (18) | 0.223 |
Yes | 63 | 7 (11) | |
Direct spread beyond muscularis propria |
No | 26 | 6 (23) | 0.276 |
Yes | 183 | 27 (15) | |
Involvement of free serosal surface |
No | 179 | 26 (15) | 0.221 |
Yes | 30 | 7 (23) | |
Tumour grade | | | |
Low/average | 154 | 26 (17) | 0.468 |
High | 55 | 7 (13) | |
No of nodes involved |
1–3 | 151 | 22 (15) | 0.435 |
>3 | 58 | 11 (19) | |
Apical node involved | | | |
No | 200 | 33 (17) | 0.184 |
Yes | 9 | 0 (0) | |