Crohn's disease phenotype, previous surgery and medical therapy
| Crohn's disease | Number | % |
|---|---|---|
| Age at diagnosis | ||
| A1 | 15 | 20 |
| A2 | 49 | 64 |
| A3 | 12 | 16 |
| Location | ||
| L1 | 27 | 36 |
| L2 | 20 | 26 |
| L3 | 28 | 37 |
| L4 | 1 | 1 |
| Behaviour | ||
| B1 | 37 | 49 |
| B2 | 32 | 42 |
| B3 | 7 | 9 |
| Perianal disease | ||
| Present | 17 | 29 |
| Biologic therapy | ||
| Infliximab | 61 | 80 |
| Adalimumab | 15 | 20 |
| Both | 3 | 4 |
| DMARD therapy | ||
| Azathioprine | 29 | 38 |
| 6-Mercaptopurine | 7 | 9 |
| Methotrexate | 7 | 9 |
| Steroid therapy | 18 | 24 |
| Prior surgery | ||
| Resection | 36 | 47 |
| Stricturoplasty | 1 | 1 |
| Perianal | 8 | 11 |
| Relevant concomitant medication | ||
| NSAID | 1 | 1 |
DMARD, disease-modifying antirheumatic drug; NSAID, non-steroidal anti-inflammatory drug.