Clinical characteristics of Crohn’s disease individuals
| British Caucasian affected offspring (n=282) | Japanese cases (n=178) | |
|---|---|---|
| †Disease location defined according to previously published criteria.23 | ||
| *Mean years. | ||
| Sex (M/F) | 35%/65% | 73%/27% |
| Age at diagnosis (y)* | 22.4 | 26.0 |
| Disease location† | ||
| Ileal | 72% | 76% |
| Colonic | 60% | 70% |
| Perianal | 21% | 10% |