Main events during the study period
| Non-users (n=197) | Users (n=134) | p Value | |
|---|---|---|---|
| Deceased | 1 | 0 | NS |
| Lost to follow up | 2 | 1 | NS |
| Duration of study period (days)2-150 | 397 (371–481) | 412 (379–462) | NS |
| Flare up episode | 85 (43) | 61 (46) | NS |
| Steroid course | 40 (20) | 30 (22) | NS |
| Enteral or parenteral nutrition course | 11 (6) | 5 (4) | NS |
| Introduction of immunosuppressants | 20 (10) | 11 (8) | NS |
| Excisional surgery | 15 (8) | 9 (7) | NS |
| Anoperineal surgery | 6 (3) | 9 (7) | NS |
| Patients requiring hospitalisation | 58 (30) | 38 (29) | NS |
| > 3 days of work lost2-150 | 42 (30) | 43 (41) | 0.08 |
Results are expressed as median (interquartile range) or number (%).
↵2-150 Percentage calculated for patients at work at baseline.