Faecal samples used for analysis represented per group
| Patients with CD n=68 | Unaffected relatives n=84 | Control subjects n= 55 | |
| Age (years)* | 45 (25–76) | 52 (14–86) | 50 (28–78) |
| Gender (% females) | 59% | 50% | 55% |
| Age at diagnosis (years)* | 28 (12–55) | NA | NA |
| Disease duration (years)* | 17 (2–57) | NA | NA |
↵* The mean is given, with the minimum and maximum in parentheses.
CD, Crohn's disease; NA, not applicable.