Skip to main content

Table 2 Correlations between different ACPAs in the saliva and serum

From: Presence of salivary IgA anti-citrullinated protein antibodies associate with higher disease activity in patients with rheumatoid arthritis

  Salivary IgA ACPA Salivary IgA1 ACPA Salivary IgA2 ACPA
r p value r p value r p value
Serum:
 IgG ACPA 0.342 < 0.001 0.226 0.001 0.079 0.272
 IgA ACPA 0.455 < 0.001 0.388 < 0.001 0.119 0.097
 IgA1 ACPA 0.434 < 0.001 0.368 < 0.001 0.124 0.084
 IgA2 ACPA 0.277 < 0.001 0.158 0.027 0.110 0.126
 SC ACPA 0.290 < 0.001 0.194 0.007 0.026 0.722
  1. Abbreviations: ACPA anti-cyclic citrullinated peptides, SC secretory component containing, r Spearman’s rho correlation coefficient