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Table 1 Correlation and frequencies between collagen type II epitopes and CCP

From: Type II collagen antibody response is enriched in the synovial fluid of rheumatoid joints and directed to the same major epitopes as in collagen induced arthritis in primates and mice

Collagen type II epitope

Correlation with CCP ( r)

Frequency in sera (%)

Frequency in synovial fluid (%)

 

Serum

Fluid

CCP–

CCP+

CCP–

CCP+

C1

0.076

0.211

12.5

12.9

13.2

27.1

J1

0.012

0.130

8.8

5.7

7.7

5.5

U1

0.153

0.395

37.5

50.5

62.6

82.9

CitC1

0.655

0.643

6.2

53.8

5.5

49.7

  1. CCP, cyclic citrullinated peptide.
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Arthritis Research & Therapy

ISSN: 1478-6362

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