Multivariate analysis of correlations between independent markers and measures of clinical arthritic activity for RA patients with serum CRP<10 mg/L.

<p>Correlation was analyzed by estimating Pearson’s correlation coefficients for 55 patients with rheumatoid arthritis (RA); <i>P</i> values (CI) are shown. Abbreviations are defined in the footnotes for <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0055346#pone-0055346-t002" target="_blank">Tables 2</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0055346#pone-0055346-t003" target="_blank">3</a>.