Histological scores
| First scope | Last scope | P value | |
| Pathologist-labelled pouchitis (%) | 28/38 (74) | 13/38 (34) | <0.006 |
| Mean total pouchitis score (range) | 5.8 (1–10) | 4.2 (1–10) | <0.009 |
| Mean total acute scores (range) | 2.3 (0–6) | 1.5 (0–5) | <0.008 |
| Mean total chronic scores (range) | 3.4 (0–5) | 2.6 (0–5) | <0.04 |