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Table 2 Correlation between C4d, C3bBbP and sTCC in reference and patient groups

From: The complement system is activated in synovial fluid from subjects with knee injury and from patients with osteoarthritis

 

Reference (n = 23)

Osteoarthritis (n = 24)

Rheumatoid arthritis (n = 32)

C4d

C3bBbP

C4d

C3bBbP

C4d

C3bBbP

C3bBbP

0.428 (0.041)

0.080 (0.710)

0.536 (0.002)

sTCC

0.625 (0.001)

0.409 (0.053)

0.754 (<0.001)

–0.298 (0.157)

0.752 (<0.001)

0.509 (0.003)

 

Pyrophosphate arthritis (n = 25)

Knee injury (n = 294)

  
 

C4d

C3bBbP

C4d

C3bBbP

  

C3bBbP

–0.085 (0.685)

0.674 (<0.001)

  

sTCC

0.496 (0.012)

0.345 (0.091)

0.643 (<0.001)

0.494 (<0.001)

  
  1. sTCC Soluble terminal complement complex
  2. Correlation using Spearman’s rho (r s) between synovial fluid biomarkers of complement system analysed in different subject groups. Significant correlations (p < 0.05) are indicated by boldface type. The table shows r s with p values in brackets