Table S2. Histological score.
Category | Finding | 0 (none) | 1 (mild) | 2 (moderate) | 3 (severe) |
---|---|---|---|---|---|
Mucosal epithelium | Ulceration | None | Mild surface | Moderate | Extensive full thickness |
Crypts | Mitotic activity | Lower third | Mild middle third | Moderate middle third | Upper third |
Mucus depletion | None | Mild | Moderate | Severe | |
Lamina propria | Mononuclear infiltrate | None | Mild | Moderate | Severe |
Granulocyte infiltrate | None | Mild | Moderate | Severe | |
Vascularity | None | Mild | Moderate | Severe | |
Fibrin deposition | None | Mucosal | Submucosal | Transmural | |
Submucosal | Mononuclear infiltrate | None | Mild | Moderate | Severe |
Granulocyte infiltrate | None | Mild | Moderate | Severe | |
Edema | None | Mild | Moderate | Severe |
Histological score = sum of all parameter scores. Total possible score is 30.