Table 1.
Demographic and clinical features of all patients with nonspecific ileitis (n = 147) by subsequent diagnosis of Crohn's disease or not
| No diagnosis of Crohn's disease | Diagnosed with Crohn's disease | |
|---|---|---|
| Number, n (% of the cohort) | 139 (95%) | 8 (5%) |
| Age, median (IQR), years | 49 (34–60) | 54 (35–65) |
| Female sex, (%) | 48% | 50% |
| Indication for colonoscopy, n (%) | ||
| Altered bowel habit | 7 (5.0%) | 0 (0%) |
| Diarrhea | 14 (10)% | 1 (13)% |
| Iron deficiency ± anemia | 35 (25)% | 3 (38)% |
| Polyp surveillance | 14 (10%) | 0 (0%) |
| Fecal occult blood positive | 10 (7%) | 1 (13%) |
| Abdominal pain | 5 (4%) | 0 (0%) |
| Bleeding per rectum | 23 (17%) | 1 (13%) |
| Other | 31 (22%) | 1 (13%) |
| Ileal histology *, n (%) | ||
| Acute ileitis | 44 (32%) | 1 (13%) |
| Acute and chronic ileitis | 28 (20%) | 5 (62%) |
| Normal histology | 67 (48%) | 2 (25%) |
*
P = 0.0145 when comparing frequency of the presence versus absence of chronic inflammation according to subsequent diagnosis (Fisher's exact test).