How often does an inflammatory spinal arthritis occur in IBD

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 ColitisCrohn’s Disease
Peripheral arthritis5%-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.


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