Clinical features and replication error (RER) status in relation to promoter methylation
| Methylated (n=13) | Unmethylated (n=15) | |
| Location | ||
| Right colon | 5 | 4 |
| Left colon | 1 | 6 |
| Rectum | 7 | 5 |
| Differentiation | ||
| Well/moderate | 9 | 4 |
| Poor | 4 | 11 |
| Stage | ||
| Duke's A and B | 5 | 8 |
| Duke's C and D | 8 | 7 |
| RER status | ||
| + | 1 | 2 |
| − | 12 | 13 |
None of the differences was statistically significant.