*Pooled prevalence of a history of uveitis. AS=ankylosing spondylitis; AxSpA=axial spondyloarthritis; IBD=irritable bowel disease; nr-AxSpA=nonradiographic axial spondyloarthritis; PsO=plaque psoriasis. Prevalence of extra-articular manifestations in AxSpA from a meta-analysis of 3478 patients 1 : AS (n=2236) AS and nr-AxSpA have a similar prevalence of extra-articular manifestations nr-AxSpA (n=1242) 5.7% (23.0%)* 6.1% (15.9%)* Uveitis (uveitis history) 10.2% 10.9% PsO 4.1% 6.4% IBD