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Histological disease activity scoring
| Feature Scored | Score |
|---|---|
| Epithelial damage | 0–3 |
| Immune infiltration | 0–3 |
| Crypt architecture | 0–3 |
| Abscess present | Present (1) or absent (0) |
The total score was calculated as a total of the individual scores; 0 = 0–5%, 1 = 6–25%, 2 = 26–50%, 3 = 51–100% of tissue affected.
