Abst0907 #ACR21 @RheumNow observation of GLAS cohort of nrAxSpA pts over 6 yrs showed ~10% of pts progress to AS every 2 years. Specifically after two, four and six years, 8/79 (10.1%), 4/48 (8.3%) and 3/24 (12.5%) nr-axSpA patients progressed to AS. https://t.co/hVpNz1kEgE