Table 1.
Characterization of the study subjects
| CD | UC | Non-IBD control | |
|---|---|---|---|
| n | 22 | 10 | 11 |
| Male, n (%) | 10 (45) | 8 (80) | 6 (55) |
| Age median (range) | 30.7 (19.2–52.5) | 30.2 (18.1–61.0) | 32.1 (20.7–41.1) |
| Distribution | |||
| Ileitis, n (%) | 4 (18) | 0 | 0 |
| Colitis, n (%) | 8 (36) | 10 (100) | 0 |
| Ileocolitis, n (%) | 10 (45) | 0 | 0 |
| Symptoms | |||
| Abdominal pain, n (%) | 12 (55) | 5 (50) | 7 (64) |
| Diarrhea, n (%) | 15 (68) | 9 (90) | 5 (45) |
| Blood in stool, n (%) | 5 (23) | 9 (90) | 3 (27) |
| Fever, n (%) | 1 (5) | 2 (20) | 0 |
| Smoking, n (%) | 7 (32) | 1 (11)a | 3 (27) |
| CRP mg/L, median (range) | 26 (5–108) | 24 (7–94) | 7 (7–7)b |
| Fecal calprotectin, mg/kg, median (range) | 118 (1–6,591) | 740 (190–10,825) | 4.5 (1–28) |
| Clinical activity index median (range) | 4.5 (1–29)c | 5 (3–14)d | |
Notes:
a
One missing value.
b
Lower cutoff value 7 mg/L.
c
Harvey–Bradshaw index.
d
Simple Clinical Colitis Activity Index.
Abbreviations: CD, Crohn’s disease; UC, ulcerative colitis; IBD, inflammatory bowel disease; CRP, C-reactive protein.