How often does an inflammatory peripheral or spinal arthritis occur in patients with idiopathic inflammatory bowel disease (IBD)?
- Arthritis is the most common extraintestinal manifestation (EIM) of either type of IBD (Crohn’s disease [CD] and ulcerative colitis [UC]) affecting up to 20% of patients.
Frequency of Peripheral or Spinal Arthritis in Inflammatory Bowel Disease
| Ulcerative Colitis | Crohn’s Disease | |
|---|---|---|
| Peripheral arthritis | 5%-10% | 10%-15% |
| Sacroiliitis/spondylitis * | 5%-15% | 10%-20% |
* Overall, 5% of ulcerative colitis patients and 10% of Crohn’s disease patients develop ankylosing spondylitis, whereas 15%-20% of all inflammatory bowel disease patients have asymptomatic radiographic sacroiliitis.
