How often does Axial Spondyloarthritis occur in patients with IBD?
Prevalence of Arthritis in IBD
|Arthritis Pattern||Crohn’s Disease (%)||Ulcerative Colitis (%)||All IBD (%)|
a Many of these patients have asymptomatic radiographic sacroiliitis and is not associated with HLA-B27 positivity.
b About 80% of these individuals are HLA-B27-positive.