Fig. 1From: Rheumatoid factor, not antibodies against citrullinated proteins, is associated with baseline disease activity in rheumatoid arthritis clinical trialsDisease activity at baseline of clinical trials stratified by the presence or absence of rheumatoid factor (RF) or anti-citrullinated peptide antibodies (ACPAs). a Rituximab database (IMAGE trial of early RA). b Golimumab database (several trials on RA patients with various disease durations). Please see Table 2 for details on numbers and statistics. CDAI clinical disease activity index, DAS28-ESR Disease Activity Score using 28 joint counts-erythrocyte sedimentation rate, RA rheumatoid arthritis, SDAI simplified disease activity indexBack to article page