Demographic and descriptive data
| Variable | Group A direct to endoscopy (n=112) | Group B direct to clinic (n=111) | P value |
| Age, years, median (range) | 33.5 (28–43) | 37 (29–46) | 0.2076 |
| Female, n (%) | 61 (54.46) | 60 (54.05) | 0.9509 |
|
Pre-existing diagnosis of IBD, no (%) IBD | 19 (16.9) | 21 (18.9) | 0.8378 |
| Crohn’s disease | 1 (5.3) | 12 (57.1) | |
| Ulcerative colitis | 16 (84.2) | 9 (42.9) | |
| IBD unclassified | 2 (10.5) | 0 (0.0) | |
| Fecal calprotectin, median (range) | 296.5 (77.5–1415.25) | 144.5 (21.75–809.25) | 0.0500 |
| CRP, median (range) | 4 (2–12.5) | 3 (1–10) | 0.2801 |
| HBI, median (range) | 5 (2–18) | 7(1–12) | 0.0616 |
| MS, median (range) | 7 (4–9.5) | 5.5 (4–7) | 0.9579 |
| Montreal classification | |||
| Crohn’s disease (pre-existing and new diagnosis) | |||
| A1 – 16 years or younger | 2 | 3 | |
| A2 – 17–40 years | 16 | 22 | |
| A3 – over 40 years | 3 | 6 | |
| L1 – ileal | 11 | 18 | |
| L2 – colonic | 4 | 6 | |
| L3 – ileocolonic | 6 | 7 | |
| B1 – non-stricturing, non-penetrating | 18 | 21 | |
| B2 – stricturing | 2 | 10 | |
| B3 – penetrating | 0 | 0 | |
| p – perianal | 1 | 0 | |
| Ulcerative colitis/IBD-U (pre-existing and new diagnosis) | |||
| E1 – proctitis | 17 | 9 | |
| E2 – left sided | 27 | 7 | |
| E3 – pancolitis | 11 | 6 | |
| S0 – clinical remission | 4 | 2 | |
| S1 – mild | 11 | 7 | |
| S2 – moderate | 28 | 11 | |
| S3 – severe | 12 | 2 | |
| Missing data | |||
| FCP | 24 | 36 | |
| CRP | 31 | 27 |
CRP, C-reactive protein ; FCP, fecal calprotectin; HBI, Harvey-Bradshow Index; IBD, inflammatory bowel disease ; IBD-U, IBD-Unclassified ; MS, Mayo Score.