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Table 1 Concentrations and proportion of anti-CCP2 IgG in plasma and synovial fluid

From: Affinity purified anti-citrullinated protein/peptide antibodies target antigens expressed in the rheumatoid joint

 

Plasma (n = 16)

SF (n = 26)

Median

Range

Median

Range

Total IgG concentration, mg/mL

14.6

6.5-25.7

3.5

0.9-15.2

Anti-CCP IgG concentration, mg/mL

0.2

0.05-0.5

0.06

0.01-0.2

Proportion of anti-CCP IgG, %a

1.5

0.4-3.6

2.2

0.1-15.6

  1. aCalculated as the percentage of anti-CCP2 IgG of total IgG. CCP, cyclic citrullinated peptide; IgG, immunoglobulin G; SF, synovial fluid.
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Arthritis Research & Therapy

ISSN: 1478-6362

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