Figure 2.
Association of anti‐CarP antibodies with seropositivity for anti–cyclic citrullinated peptide (anti‐CCP) antibodies (A) and rheumatoid factor (RF) (B) in First Nations patients with RA and their FDRs. Symbols represent individual subjects. Horizontal line indicates the cutoff level for anti‐CarP positivity. P = 0.003 between groups, by Mann‐Whitney U test. See Figure 1 for other definitions. Color figure can be viewed in the online issue, which is available at http://onlinelibrary.wiley.com/journal/doi/10.1002/art.39664/abstract.