Natural history of types 1 and 2 peripheral arthropathies
| Type 1 | Type 2 | ||||
|---|---|---|---|---|---|
| Ulcerative colitis | Crohn’s disease | Ulcerative colitis | Crohn’s disease | ||
| No of patients | 35 (21F) | 29 (22F) | 24 (18F) | 19 (18F) | |
| Symptoms with gut relapses | 30 (83)7-150 | 22 (76)† | 7 (29) | 8 (42) | |
| Acute self-limiting episodes | 30 (83)‡ | 23 (79)§ | 3 (13) | 2 (11) | |
| No of episodes | |||||
| 1 | 22 | 13 | 1 | 2 | |
| 2 | 6 | 2 | 2 | 0 | |
| 3 | 2 | 2 | 0 | 0 | |
| >3 | 0 | 4 | 0 | 0 | |
| Median (range) duration of episodes (weeks) | 4 (0.5–10.0) | 5 (1–9) | 3 (1–3) | 3 (2–5) | |
| Persistent symptoms | 5 (17) | 6 (21) | 21 (87) | 17 (89) | |
| Median (range) duration of symptoms (months) | 10 (4–240) | 10 (6–48) | 36 (4–276) | 36 (6–180) |
Data are expressed as number (%) unless otherwise stated.
↵7-150 p = 1.2×10−5; †p = 0.040; ‡p = 2.6×10−8; §p = 1.2×10−7.