Fig. 2From: Calprotectin (S100A8/A9) has the strongest association with ultrasound-detected synovitis and predicts response to biologic treatment: results from a longitudinal study of patients with established rheumatoid arthritisLinear regression model, baseline. Coefficients with 95% confidence intervals with (a) greyscale sum score and (b) power Doppler sum score as dependant variables. IL-6 Interleukin 6, CRP C-reactive protein, ESR Erythrocyte sedimentation rate, VEGF Vascular endothelial growth factorBack to article page