| Level of healthcare use | Total length in days, mean (SE) | Total score for the episode, mean (SE) | Increase in score on day 1, mean (SE) |
| Untreated (n = 74) | 8.3 (1.0) | 226.2 (25.8) | 5.8 (0.4) |
| IBD alone treated (n = 23) | 11.1 (2.0) | 357.8 (64.8) | 8.0 (0.9) |
| Antibiotic (±IBD) (n = 40) | 16.27 (1.6) | 506.5 (43.0) | 10.4 (0.8) |
| Steroid (±antibiotic/IBD) (n = 11) | 21.5 (5.9) | 717.2 (209.5) | 11.0 (0.7) |
| Hospitalisation (n = 4) | 45.8 (10.0) | 1668.3 (370.3) | 18.2 (3.6) |
IBD, inhaled bronchodilator.