Fig. 3From: Decreased serum cell-free DNA levels in rheumatoid arthritiscfDNA concentration does not correlate with anti-CCP2 autoantibody status. Comparison of circulating Alu115 and β-actin205 DNA in sera from patients with anti-CCP2-positive (CCP+) and anti-CCP2-negative (CCP−) RA. The bars indicate the median with interquartile range. ns indicates not significantBack to article page