DESIR study: new onset SpA pts followed w/ Xrays x 10 yrs showed progression from nr-axSpA to r-axSpA was 5.8% (in 294 followed 10 yrs), best predicted by baseline SI bone marrow edema, (OR 6.2), male, Sxs >1.5 yr, ASDAS ≥2.1 & smoking (only in HLA-B27+). https://t.co/A3Qqy8Eeym https://t.co/1I4UFI4h92