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| Diagnosis | n | Median Followup (months) | Acute Pouchitis | Chronic Pouchitis |
|---|---|---|---|---|
| Backwash positive | 39 | 22 | 4 (10) | 8 (21) |
| Backwash negative | 295 | 29 | 49 (17) | 29 (10) |
Values in parentheses denote percentage
