Univariate analysis of correlations between independent markers and measures of clinical arthritic activity.

*Spearman’s correlation. All other correlations (r) are Pearson’s correlation coefficients for 111 patients with rheumatoid arthritis and r (P) values are shown. MCP-1, macrophage chemotactic factor-1; PTX3, pentraxin 3; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; SJC, swollen joint count; TJC, tender joint count; GH, visual analog scale for general health; DAS28, disease activity score 28 [ESR included]; DAS28-MCP-1, disease activity score 28 [MCP-1 included instead of ESR]; DAS28-CRP, disease activity score 28 [CRP included].