Fig. 3From: Diagnostic performance of measuring antibodies to the glycopeptidolipid core antigen specific to Mycobacterium avium complex in patients with rheumatoid arthritis: results from a cross-sectional observational studyRelationship between anti-GPL antibody titers and radiological severity by computed tomography (CT) in 10 patients with rheumatoid arthritis with Mycobacterium avium complex pulmonary disease. A positive correlation was observed between the severity of the disease and titers of the antibodies (r = 0.67, P = 0.049). GPL glycopeptidolipidBack to article page