Correlation matrix of principal components and original variables associated with autoimmune manifestations

Correlation matrix of principal components and original variables sorted according to their associations with Sjögren's syndrome (SS) disease manifestations. The upper right triangle indicates significant values with yellow fill (< 0.05). The lower left triangle displays the corresponding r. Red indicates positive correlation and green negative correlation, and colour saturation indicates the strength of the association. Abbreviations not defined in the text: CRP, C-reactive protein; SAP, serum amyloid P.<p><b>Copyright information:</b></p><p>Taken from "Biomarker profiles in serum and saliva of experimental Sjögren's syndrome: associations with specific autoimmune manifestations"</p><p>http://arthritis-research.com/content/10/1/R22</p><p>Arthritis Research & Therapy 2008;10(1):R22-R22.</p><p>Published online 20 Feb 2008</p><p>PMCID:PMC2374466.</p><p></p