| Features | Non-CIMP | CIMP-low | CIMP-high |
| Tumour location | Distal > proximal | — | Proximal > distal |
| Gender bias | Male = female | Male>female | Male < female |
| BRAF mutation status | Wild type | Wild type | Mutant |
| KRAS mutation status | Wild type | Mutant | Wild type |
| Genomic instability status | CIN | Similar to non-CIMP | MSI is common |