Skip to main content

Table 6 Serologies of ankylosing spondylitis patients and healthy controls stratified by fecal calprotectin

From: Markers of intestinal inflammation in patients with ankylosing spondylitis: a pilot study

  Healthy controls (all) compared with AS patients (fCAL cutoff 50 μg/g)
  Median HC Median AS fCAL-negative Pvalue (HC versus fCAL-negative) Median AS fCAL-positive Pvalue (HC versus fCAL-positive)
IgA ASCA (ELISA units) 0.4 0.2 0.478 1.9 0.110
IgG ASCA (ELISA units) 6.7 6.2 0.344 11.5 0.023
I2 (ELISA units) 5.7 6.8 0.394 4 0.703
OmpC (ELISA units) 5.7 6.1 0.904 8.4 0.240
Cbir1 Fla (ELISA units) 15.9 16.2 0.659 27.2 0.003
ANCA (ELISA units) 4.3 5 0.240 9.2 < 0.001
  1. ANCA, antineutrophil cytoplasmic antibodies; AS, ankylosing spondylitis; ASCA, anti-Saccharomyces cerevisiae antibody; CBir1, anti-flagellin; fCAL, fecal calprotectin; HC, healthy controls; OmpC, anti-Escherichia coli outer membrane porin C.