Anti-hnRNP B1 (RA33) Autoantibodies Are Associated with the Clinical Phenotype in Russian Patients with Rheumatoid Arthritis and Systemic Sclerosis

Figure 1

Anti-hnRNP B1 IgG levels in 165 patients (pts) with rheumatoid arthritis (RA), 58 pts with spondyloarthropathy (SPA), 42 pts with juvenile chronic arthritis (JVA), 65 pts with systemic sclerosis (SSc), 50 pts with systemic lupus erythematosus (SLE), 17 pts with Sjögren’s syndrome (SS), 52 controls with hyperlipidemia, and 112 blood donors (BD) detected by enzyme-linked immunosorbent assay (ELISA). (Data are displayed as U/mL in Box-and-Whisker plots with far-out values, defined as values that are smaller than the lower quartile minus 3 times the interquartile range or larger than the upper quartile plus 3 times the interquartile range, displayed as solid triangles).