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Table 1 Correlations between CP, PAD2, and PAD4 expression and synovial inflammation

From: Local administration of glucocorticoids decreases synovial citrullination in rheumatoid arthritis

  Mean lining thickness Infiltration Vascularity
Total CP 0.4 (< 0.05) 0.5 (< 0.001) 0.6 (< 0.001)
Intracellular CP 0.4 (< 0.05) 0.4 (0.001) 0.6 (< 0.01)
PAD2 (ROI002) 0.5 (< 0.05) 0.6 (< 0.001) 0.4 (< 0.05)
PAD2 (SN665) 0.6 (< 0.001) 0.7 (< 0.001) 0.5 (< 0.01)
PAD4 (SG1467) 0.6 (< 0.01) 0.3 (NS) 0.3 (NS)
PAD4 (SN823) 0.5 (< 0.01) 0.1 (NS) 0.2 (NS)
  1. Values are expressed as Spearman rank correlation coefficients (P values). CP, citrullinated protein; NS, not significant.