Figure 1From: Periodontitis in established rheumatoid arthritis patients: a cross-sectional clinical, microbiological and serological studyDAS28 scores and CRP levels in patients with rheumatoid arthritis and no (a), moderate (b), or severe (c) periodontitis. **P < 0.01. CRP, C-reactive protein; DAS28, disease activity score 28 tender and swollen joint count.Back to article page