Table 2

Comparative frequency of FCGR3B copy number variants with rheumatoid factor and anti-cyclic citrullinated peptide autoantibodies

FCGR3B CN

Rheumatoid factor

Anti-CCP


Positive

Negative

Positive

Negative


< 2

19 (13.97%)

5 (11.11%)

7 (10.29%)

5 (10.87%)

2

106 (77.94%)

33 (73.33%)

52 (76.47%)

36 (78.26%)

> 2

11 (8.09%)

7 (15.56%)

9 (13.24%)

5 (10.87%)

Global test

χ2 = 2.03, degrees of freedom = 2, P = 0.363

χ2 = 0.15, degrees of freedom = 2, P = 0.93


Comparative frequency of Fc gamma receptor 3B (FCGR3B) copy number (CN) variants in rheumatoid arthritis patients positive and negative for rheumatoid factor and anti-cyclic citrullinated peptide (anti-CCP) autoantibodies. Data presented as n (%).

Graf et al. Arthritis Research & Therapy 2012 14:R28   doi:10.1186/ar3731

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