Patient characteristics of the study population
| Sex (M/F) | 61/34 |
| Age (y) (median (range)) | 40 (11–78) |
| Disease duration (months) (median (range)) | 72 (4–456) |
| Disease extent | |
| Pancolitis | 72 |
| Left sided | 20 |
| Proctitis | 3 |
| Extraintestinal disease | |
| Arthritis | 8 |
| PSC | 3 |
| Indication for IPAA | |
| Medically unresponsive | 74 |
| Cancer | 12 |
| Dysplasia | 9 |
| Backwash ileitis | 8 |
PSC, primary sclerosing cholangitis; IPAA, ileal pouch-anal anastomosis.