Fig. 1From: Association between anti-Porphyromonas gingivalis or anti-α-enolase antibody and severity of periodontitis or rheumatoid arthritis (RA) disease activity in RASerum antibody titers to Porphyromonas gingivalis (a) and α-enolase (b) in RA patients and healthy controls. * p < 0.003, ** p < 0.0001 by Mann-Whitney U-test; bars represent mean. P. gingivalis, Porphyromonas gingivalis; ENO1, α-enolaseBack to article page