Patient characteristics in the three different perinuclear antineutrophil cytoplasmic antibody positive (pANCA+) groups
|
High level (n=9) | Medium level (n=32) |
Low level (n=19) | |
| Sex (M/F) | 6/3 | 17/15 | 16/3 |
| Age (y) (median (range)) | 34 (16–63) | 38 (20–78) | 41 (14–67) |
| Disease duration (months) (median (range)) | 40 (17–180) | 96 (6–408) | 48 (4–360) |
| Disease extent (n) | |||
| Pancolitis | 6 | 25 | 17 |
| Left sided | 3 | 5 | 1 |
| Proctitis | 0 | 2 | 1 |
| Indication for IPAA (n) | |||
| Medically unresponsive | 8 | 25 | 17 |
| Cancer/dysplasia | 1 | 7 | 2 |
| Backwash ileitis (n) | 2 | 4 | 1 |
| Extraintestinal disease (n) | |||
| PSC | 0 | 2 | 1 |
| Other | 1 | 4 | 4 |
IPAA, ileal pouch-anal anastomosis; PSC primary sclerosing cholangitis.
There were no significant differences between the three patient groups.