Table 1

Frequency of FCGR3B copy number variants in rheumatoid arthritis patients compared with controls

FCGR3B CN

RA (n = 197)

Controls (n = 162)

Odds ratio (95% CI)

P value


< 2

27 (13.7%)

10 (6.2%)

2.5 (1.2 to 5.4)

0.017

2

149 (75.6%)

139 (85.8%)

1

> 2

21 (10.7%)

13 (8.0%)

1.5 (0.7 to 3.1)

0.27

Global test

χ2 = 6.9, degrees of freedom = 2, P = 0.031


Data presented as n (%). CI, confidence interval; CN, copy number; FCGR3B, Fc gamma receptor 3B; RA, rheumatoid arthritis.

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

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