Table 2.
Classification of paediatric Crohn's disease from Jiangsu province.
| Variables | n = 26 | Percentage (%) |
|---|---|---|
| Age at diagnosis | ||
| A1a (0–10 y) | 2 | 7.7 |
| A1b (10–17 y) | 24 | 92.3 |
| Disease locations at diagnosis (%) | ||
| L1 (distal 1/3 ileum) | 7 | 26.9 |
| L2 (colonic) | 6 | 23.1 |
| L3 (ileocolonic) | 13 | 50.0 |
| L4 (upper disease) | 5 | 19.2 |
| Disease behavior at diagnosis (%) | ||
| B1 (inflammation) | 11 | 42.3 |
| B2 (stricturing) | 9 | 34.6 |
| B3 (penetrating) | 5 | 19.2 |
| B2B3 (penetrating and stricturing) | 1 | 3.8 |
| P (perianal disease) | 4 | 15.4 |
| Growth | ||
| G0 (No evidence of growth delay) | 6 | 23.1 |
| G1 (growth delay) | 20 | 76.9 |