Characteristic | Â | KRASmut | Â | PI3Kmut |
---|---|---|---|---|
 | No. (N = 478) |  | No. (N = 384) |  |
Sex | ||||
Male | 293 | 84 (29%) | 231 | 38* (16%) |
Female | 185 | 61 (33%) | 153 | 29 (19%) |
Tumor site | ||||
Right-transverse colon | 172 | 54 (31%) | 138 | 25* (18%) |
Left colon | 192 | 59 (31%) | 151 | 23 (15%) |
Rectum | 114 | 32 (28%) | 95 | 19 (20%) |
Disease stage | ||||
Stage II | 173 | 44 (25%) | 143 | 22 (15%) |
Stage III | 160 | 56 (35%) | 128 | 25 (20%) |
Stage IV | 145 | 45 (31%) | 113 | 20* (18%) |
Tumor grading | ||||
Well differentiated | 56 | 17 (30%) | 44 | 6 (14%) |
Moderately differentiated | 383 | 118 (31%) | 309 | 54 (17%) |
Poorly differentiated | 39 | 10 (26%) | 31 | 7* (23%) |
Age, years | ||||
< 50 | 50 | 16 (32%) | 45 | 5 (11%) |
50-59 | 116 | 38 (33%) | 102 | 14 (14%) |
60-69 | 178 | 56 (31%) | 151 | 30* (20%) |
70+ | 134 | 35 (26%) | 86 | 18 (21%) |