BIOBADASER registry study of 969 axSpA pts (315 females, 654 males; 2000-2019) who initiated a TNFi shows nonresponse (BASDAI50) was more likely in women (p=0.018), older age at the start of TNFi therapy. https://t.co/Zp7PWhEMav https://t.co/1XY0dC0QCW