Table 1.
Baseline patient characteristics.
| Male, n (%) | 18 (40) |
| Median age, years (Q1–Q3) | 39 (28–51) |
| Smoking, n (%) | 9 (20) |
| Median disease duration, years (Q1–Q3) | 11 (4–19) |
| Diagnosis, n (%) | |
| UC | 16 (36) |
| IBD-U | 2 (4) |
| CD | 27 (60) |
| CD disease location, n (%) | |
| L1 ileal | 1 (4) |
| L2 colonic | 6 (22) |
| L3 ileocolonic | 20 (74) |
| +L4 upper GI disease | 2 (7) |
| CD disease behavior, n (%) | |
| B1 non stricturing, non penetrating | 9 (33) |
| B2 stricturing | 16 (59) |
| B3 penetrating | 2 (8) |
| +Perianal disease | 5 (19) |
| UC disease location, n (%) | |
| E2 left sided colitis | 5 (28) |
| E3 pancolitis | 13 (72) |
| Previous IBD-related surgerya, n (%) | 15 (33) |
| Anti-TNFα exposed, n (%) | |
| Naive | 7 (15) |
| 1 | 16 (36) |
| ⩾2 | 22 (49) |
a
All 15 patients had CD; 12 patients received an ileocecal resection (of whom three patients twice), one patient underwent a small bowel (jejuna)l resection, one patient with ileostomy, and one with ileoanal pouch.
B, behavior; CD, Crohn’s disease; E, extent; GI, gastrointestinal; IBD, inflammatory bowel disease; IBD-U, inflammatory bowel disease–unclassified; L, location; n, number; Q, quartile; TNFα, tumor necrosis factor alpha; Q, quartile; UC; ulcerative colitis.