The Link between Ankylosing Spondylitis, Crohn’s Disease, Klebsiella, and Starch Consumption

Figure 1

Total immunoglobulin (IgM, IgA, IgG) levels against Klebsiella pneumonia in healthy controls (C) and in patients with rheumatoid arthritis (RA), ankylosing spondylitis (AS), ulcerative colitis (UC), and Crohn’s disease (CD) (with permission).