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Colonic mucosal injury index score.
| Type of injury | description | score |
|---|---|---|
| There is no visible injury | 0 | |
| Macroscopic damage | Mild hyperemia, edema | 1 |
| Moderate erosions or ulcers | 2 | |
| Severe mucosal defects or necrosis | 3 | |
| The crypt is structurally normal | 0 | |
| Microscopic damage | Slight changes in crypt structure | 1 |
| Moderately altered crypt structure | 2 | |
| Severe changes in crypt structure | 3 |
