Demographics, clinical characteristics and percentage of identified axial spondyloarthritis patients of the study participants^* (n = 579).

*Values are the number (percentage) IQR = interquartile rangeLBP = low back pain; VAS = visual analog scale; ASAS = Assessment of SpondyloArthritis international Society; NSAIDs = nonsteriodal anti-inflammatory drugs; IBD = Inflammatory bowel disease; CRP = C-reactive protein; SpA = spondyloarthritis; AS = Ankylosing Spondylitis † A positive ASAS questionnaire is achieved when at least 4 out of 5 questions are answered positively. Demographics, clinical characteristics and percentage of identified axial spondyloarthritis patients of the study participants* (n = 579).