CRP = C-reactive protein. ESR = erythrocyte sedimentation rate. Axial phenotype is ankylosing spondylitis which initially predominantly affects the spine and pelvic joints.Baseline characteristics of
Data is presented of the Dutch study group (n = 110) and the Texan study group (n = 119). Values are presented as * mean (SD) or † median (IQR). Chi-square, t- and Mann-Whitney U tests were used to te
Data are given as mean (standard deviation [SD]) unless otherwise stated. The odds ratio gives the odds associated with being an engager compared to a nonengager, 95% CI adjusted for clustering.