Fig. 7

Immunoglobulin G (IgG) galactosylation in subgroups of axial spondyloarthritis (axSpA). Comparison of IgG agalactosylated immunoglobulin G/monogalactosylated immunoglobulin G (G0/G1) ratios in axSpA subsets defined ankylosing spondylitis (AS)/nonradiographic axial spondyloarthritis (nr-axSpA) or human leukocyte antigen (HLA)-B27 status. Horizontal lines indicate the median of distribution. p Values derived by Mann-Whitney U tests are indicated. HC Healthy control subject