Table 1.
Pouchitis disease activity index14
| Criteria | Score |
| Clinical | |
| Stool frequency | |
| Usual postoperative stool frequency | 0 |
| 1–2 stool/day >postoperative usual | 1 |
| ⩾3 stools/day >postoperative usual | 2 |
| Rectal bleeding | |
| None or rare | 0 |
| Present daily | 1 |
| Faecal urgency or abdominal cramps | |
| None | 0 |
| Occasional | 1 |
| Usual | 2 |
| Fever (temperature >37.8°C) | |
| Absent | 0 |
| Present | 1 |
| Endoscopic inflammation | |
| Oedema | 1 |
| Granularity | 1 |
| Friability | 1 |
| Loss of vascular pattern | 1 |
| Mucous exudate | 1 |
| Ulceration | 1 |
| Acute histological inflammation | |
| Polymorphonuclear leucocyte infiltration | |
| Mild | 1 |
| Moderate+crypt abscess | 2 |
| Severe+crypt abscess | 3 |
| Ulceration per low power field (mean) | |
| <25% | 1 |
| 25–50% | 2 |
| >50% | 3 |