CXCL13 predicts worse Xray status in early #RA. Study of 158 pts, followed 11-years. Baseline CXCL13 correlated with Xray progression (ΔTSS) at 11 years. CXCL13 was superior to CRP, DAS28CRP, SJC28, CCP predicting 11-yr Xray damage https://t.co/1WAdZoYQ1P