Table 2.
Variable | Right-side colon | Left-side colon | P-value, chi-square |
---|---|---|---|
Number of patients | 78 | 86 | |
Age | |||
≤50 y | 41 | 41 | 0.598 |
51-65 y | 25 | 34 | |
>65 y | 12 | 11 | |
Sex | |||
Male | 44 | 56 | 0.266 |
Female | 34 | 30 | |
Mucinous histology | |||
Yes | 15 | 14 | 0.684 |
No | 63 | 72 | |
Stage at diagnosis | |||
I | 1 | 9 | 0.207 |
II | 6 | 24 | |
III | 26 | 53 | |
IV | 45 | 86 | |
Metastatic organ | |||
1 | 59 | 61 | 0.597 |
>1 | 19 | 25 | |
CEA | |||
≤5 ng/ml | 15 | 28 | 0.051 |
>5 ng/ml | 63 | 56 | |
unknown | 0 | 2 | |
LDH | |||
≤245 U/ml | 57 | 57 | 0.494 |
>245 U/ml | 21 | 28 | |
unknown | 0 | 1 | |
Backbone chemotherapy | |||
Oxaliplatin-based | 41 | 49 | 0.304 |
Irinotecan-based | 37 | 35 | |
5-fluorouracil only | 0 | 2 | |
Bevacizumab beyond first line | |||
Yes | 16 | 15 | 0.691 |
No | 62 | 71 | |
Cetuximab treated | |||
Yes | 7 | 13 | 0.245 |
No | 71 | 73 | |
Primary tumor resection | |||
Yes | 57 | 67 | 0.585 |
No | 21 | 19 |