Table 1.
Patient characteristics
| I | II | III | |
|---|---|---|---|
| Number | 3 | 38 | 20 |
| Age in years, range | 13–15 | 8–18 | 8–17 |
| Male (n) | 1 | 19 | 10 |
| Female (n) | 2 | 19 | 10 |
| Diagnosis | |||
| ulcerative colitis | 16 | 9 | |
| Crohn’s disease | 3 | 20 | 11 |
| IBD unclassified | 2 | ||
| Age at diagnosis (years) | 7–11 | 8–18 | 5–16 |
| Treatment at time of analysis | |||
| no | 38 | 3 | |
| azathioprine | 2 | 7 | |
| mesalazine | 2 | ||
| infliximab | 6 | ||
| methotrexate | 1 | 1 | |
| prednisolone | 4 | ||
| adalimumab | 1 | 3 | |
| 6-mercaptopurine | 1 | ||
| Treatment history | |||
| azathioprine | 3 | ||
| mesalazine | 2 | ||
| infliximab | 3 | ||
| methotrexate | 1 | ||
| prednisolone | 3 | ||
| adalimumab | 3 | ||
| 6-mercaptopurine | |||
| Surgery | 3 | 10 |