Patient characteristics and clinical outcomes
| Number of patients | 142 |
| Age in years, mean±SD | 39±15.6 |
| Sex, N (%) | 82 (58) |
| Male | 82 (58) |
| Race, N (%) | |
| Caucasian | 89 (63) |
| African American | 7 (5) |
| Asian | 3 (2) |
| Native American | 2 (1) |
| Hispanic | 20 (14) |
| Others | 21(15) |
| Length of follow-up in years, median±IQR | 3±5 |
| Number of IBD clinic visits, mean±SD | 11±11 |
| Diagnosis, N (%) | |
| Ulcerative colitis | 119 (83) |
| Pancolitis | 65 (45) |
| Left-sided colitis | 36 (25) |
| Ulcerative proctitis | 18 (13) |
| Crohn’s colitis or ileocolitis | 19 (13) |
| Ileocolonic Crohn’s | 9 (6) |
| Crohn’s colitis | 10 (7) |
| Indeterminate colitis | 4 (3) |
| Disease outcomes | |
| Flares, N (%) | |
| No flares | 83 (59) |
| At least one flare requiring corticosteroid therapy | 58 (41) |
| Hospitalisation, N (%) | |
| No hospitalisation | 106 (76) |
| One or more hospitalisations for IBD flare or complication(s) | 34 (24) |
| Surgery; bowel resection, N (%) | |
| No need for surgery | 134 (96) |
| One or more bowel resections | 6 (4) |
| Fistula or abscess, N (%) | |
| No fistula | 132 (95) |
| One or more fistula or abscess | 7 (5) |
IBD, inflammatory bowel disease.