Table 2.
Clinical characteristics of patients
| Total (n = 333) |
Pediatric-onset CD (n = 137) |
Adult-onset CD (n = 196) |
|
|---|---|---|---|
| Age at diagnosis | |||
| A1 (<17 years) | 111 | 111 | 0 |
| A2 (17 - 40 years) | 190 | 26 | 164 |
| A3 (>40 years) | 32 | 0 | 32 |
| Localization | |||
| L1 (terminal ileum) | 71 (21%) | 23 (17%) | 48 (25%) |
| L2 (colon) | 50 (15%) | 13 (9.5%) | 37 (19%) |
| L3 (ileocolon) | 208 (63%) | 101 (74%) | 107 (55%) |
| L 1-3 not determined | 4 | 0 | 4 |
| L4 (Upper GI)1 | 56 (17%) | 20 (15%) | 36 (18%) |
| Disease behavior | |||
| B1 (nonstricturing/nonpenetraiting) | 138 (42%) | 79 (59%) | 59 (30%) |
| B2 (stricturing) | 129 (39%) | 34 (25%) | 95 (49%) |
| B3 (penetrating) | 62 (18%) | 21 (16%) | 41 (21%) |
| B 1-3 not determined | 4 | 3 | 1 |
| B4 (perianal disease) | 109 (33%) | 32 (23%) | 77 (39%) |
| Extraintestinal manifestation2 | 53 (16%) | 21 (15%) | 32 (17%) |
| Need for surgery3 | 173 (52%) | 41 (30%) | 132 (68%) |
1: GI: gastrointestinal.
2: Either of: peripheral arthritis, ankylosing spondylitis, sacroilitis, episcleritis and iritis, erythema nodosum, pyoderma gangrenosum, or sclerosing cholangitis.
3: Abdominal surgery for complication of CD (resection)