Additional file 4: Figure S4. of Low levels of antibodies against common viruses associate with anti-citrullinated protein antibody-positive rheumatoid arthritis; implications for disease aetiology

Correlations between anti-EBV (left panel), anti-B19 (middle panel), anti-CMV (right panel) IgG levels and C-reactive protein (CPR) levels (A) and disease activity score (DAS28) (B) in all patients with RA (upper row), in ACPA-positive patients with RA (middle row) and in ACPA-negative patients with RA (lower row). (EPS 1848 kb