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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: Low levels of antibodies against common viruses associate with anti-citrullinated protein antibody-positive rheumatoid arthritis; implications for disease aetiology

Fig. 1

Anti-viral antibody levels in the Swedish Epidemiological Investigation of Rheumatoid Arthritis (EIRA) study: patients with rheumatoid arthritis (RA) and controls. Anti-Epstein-Barr virus (EBV) IgG (left panel), anti-B19 IgG (middle panel) and anti-cytomegalovirus (CMV) IgG (right panel) levels are shown for all study subjects (a) or only for anti-viral antibody-positive study subjects (b). The red lines indicate median antibody levels. The prevalence (%) of anti-viral antibody-positive individuals in each subset is presented below the graphs in a. P values <0.05 were considered statistically significant. *Statistical difference in antibody frequency between patients with ACPA-positive RA and controls (p = 0.0466) (a) (middle panel)

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