Table 1

Demographic features and baseline disease characteristics of the study patients by treatment group

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  • †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.