| Characteristics | Cases | PC | P | |
| No | Yes | |||
| Gender |
|
|
| 0.800 |
| Female | 61 | 47 | 14 |
|
| Male | 93 | 70 | 23 |
|
| Age (years)a |
|
|
| 0.006 |
| ≥65 | 56 | 39 | 17 |
|
| <65 | 98 | 86 | 12 |
|
| Location |
|
|
| 0.353 |
| Colon | 73 | 53 | 20 |
|
| Rectum | 81 | 64 | 17 |
|
| CCR |
|
|
| 0.089 |
| No | 103 | 85 | 18 |
|
| Yes | 51 | 36 | 15 |
|
| N stage |
|
|
| 0.000 |
| N0 | 74 | 56 | 18 |
|
| N1-N2 | 80 | 31 | 49 |
|
| Histological grade |
|
|
| 0.006 |
| Well+ Moderately | 101 | 86 | 15 |
|
| Poorly | 53 | 35 | 18 |
|
| Family history |
|
|
| 0.162 |
| No | 141 | 119 | 22 |
|
| Yes | 13 | 9 | 4 |
|
| Liver metastasis |
|
|
| 0.239 |
| No | 147 | 128 | 19 |
|
| Yes | 7 | 5 | 2 |
|