Age at diagnosis (y) | | | | | |
Median | 66.8 | 68.6 | 67.6 | 66.5 | 68.1 |
Range | 42.0–79.4 | 42.9–79.6 | 42.0–79.6 | 42.0–79.6 | 44.0–79.2 |
Sex (No (%)) | | | | | |
Male | 270 (51) | 119 (52) | 151 (51) | 101 (47) | 169 (54) |
Female | 256 (49) | 110 (48) | 146 (49) | 113 (53) | 143 (46) |
AJCC stage (No (%)) | | | | | |
I | 123 (23) | 55 (24) | 68 (23) | 52 (24) | 71 (23) |
II | 149 (28) | 61 (27) | 88 (30) | 55 (26) | 94 (30) |
III | 148 (28) | 70 (31) | 78 (26) | 63 (29) | 85 (27) |
IV | 92 (17) | 38 (17) | 54 (18) | 38 (18) | 54 (17) |
Unknown | 14 (3) | 5 (2) | 9 (3) | 6 (3) | 8 (3) |
Site of primary tumour (No (%)) | | | | |
Right colon | 169 (32) | 67 (29) | 102 (34) | 65 (30) | 104 (33) |
Splenic flexure | 2 (0) | 2 (1) | 0 (0) | 0 (0) | 2 (1) |
Left colon | 165 (31) | 73 (32) | 92 (31) | 65 (30) | 100 (32) |
Rectum | 175 (33) | 80 (35) | 95 (32) | 77 (36) | 98 (31) |
Unknown | 15 (3) | 7 (3) | 8 (3) | 7 (3) | 8 (3) |
Degree of differentiation (No (%)) | | | |
Well | 41 (8) | 16 (7) | 25 (8) | 13 (6) | 28 (9) |
Moderately | 300 (57) | 136 (59) | 164 (55) | 126 (59) | 174 (56) |
Poorly | 117 (22) | 49 (21) | 68 (23) | 47 (22) | 70 (22) |
Unknown | 68 (13) | 28 (12) | 40 (13) | 28 (13) | 40 (13) |
Adjuvant chemotherapy (No (%)) | | | |
Yes | 157 (30) | 70 (31) | 87 (29) | 67 (31) | 90 (29) |
No | 353 (67) | 152 (66) | 201 (68) | 138 (64) | 215 (69) |
Unknown | 16 (3) | 7 (3) | 9 (3) | 9 (4) | 7 (2) |
Adjuvant radiotherapy (No (%)) | | | |
Yes | 52 (10) | 19 (8) | 33 (11) | 23 (11) | 29 (9) |
No | 458 (87) | 203 (89) | 255 (86) | 182 (85) | 276 (88) |
Unknown | 16 (3) | 7 (3) | 9 (3) | 9 (4) | 7 (2) |
Body mass index (kg/m2) (No (%)) | | | | |
<25 | 163 (31) | 85 (37) | 78 (26) | 139 (65) | 24 (8) |
25–30 | 236 (45) | 103 (45) | 133 (45) | 71 (33) | 165 (53) |
>30 | 127 (24) | 41 (18) | 86 (29) | 4 (2) | 123 (39) |