In axSpA, the mean and median progression were 0.54 and 0.38 points in mSASSS per year respectively, lower than what has been reported in similar cohorts, LBP before diagnosis was a strong predictor of progression, Granados R Abst#1389 #ACR23 @RheumNow https://t.co/fvkOzhUG97 https://t.co/k18HxWswbs