Distribution of acute phase reactant groups among the CDAI disease activity levels at baseline. Distribution of acute phase reactant groups among the CDAI disease activity levels at baseline in the 4,228 RA patients with a one-year follow-up visit. Percentages within the bars indicate relative proportions of subjects within each CDAI disease activity level. Numbers in parentheses within the bars enumerate subjects in each group. CDAI, Clinical Disease Activity Index; RA, rheumatoid arthritis; LDA, low disease activity; MDA, moderate disease activity; HDA, high disease activity.
Kay et al. Arthritis Research & Therapy 2014 16:R40 doi:10.1186/ar4469