No joint problems | Type 1 arthropathy | Type 2 arthropathy | |
Ulcerative colitis | |||
No of patients | 830 | 35 | 24 |
Erythema nodosum | 4 (0.5) | 3 (8.6)9-150 | 1 (4.2) |
Uveitis | 10 (1.2) | 6 (17.1)† | 4 (16.7)‡ |
Pyoderma gangrenosum | 4 (0.5) | 0 | 1 (4.2) |
Surgery | 81 (9.7) | 6 (17.2) | 4 (16.7) |
Crohn’s disease | |||
No of patients | 339 | 29 | 19 |
Erythema nodosum | 7 (2.1) | 7 (24.1)§ | 0 |
Uveitis | 9 (2.9) | 5 (17.2)¶ | 5 (26.3)** |
Pyoderma gangrenosum | 5 (1.5) | 1 (3.4) | 0 |
Surgery | 192 (56.8) | 6 (20.7)†† | 8 (42.1) |
Data are expressed as number (%).
↵9-150 p = 2.0×10−5; †p = 9.6×10−9; ‡p = 1.2×10−7; §p = 5.0×10−8; ¶p = 0.000592; **p = 5.1×10−6; ††p = 8.3×10−5.