Figure 3From: ACPA-positive and ACPA-negative rheumatoid arthritis differ in their requirements for combination DMARDs and corticosteroids: secondary analysis of a randomized controlled trialTreatment effect on mean changes in DAS28 scores in ACPA-positive and ACPA-negative patients. Standard error bars are shown for each time point; *denotes significance at P <0.05; **denotes significance at P ≤0.01; ***denotes significance at P ≤0.001; no asterisk denotes P ≥0.05. ACPA, anti-citrullinated protein antibody; DAS28, disease activity scores on a 28 joint count.Back to article page