Demographic features and baseline disease characteristics of the study patients by treatment group
![]() |
†Acute diarrhoea or non-gonococcal urethritis or cervicitis 1 month before arthritis. Sacroiliitis on imaging is defined as active sacroiliitis on MRI according to the ASAS consensus definition.
ASAS, Assessment of SpondyloArthritis international Society; CRP, C reactive protein; IBD, inflammatory bowel disease; NS, not significant; NSAID, non-steroidal anti-inflammatory drug; SpA, spondyloarthritis.