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Table 1 Frequency of FCGR3B copy number variants in rheumatoid arthritis patients compared with controls

From: Low copy number of the FCGR3B gene and rheumatoid arthritis: a case-control study and meta-analysis

FCGR3B CN RA (n= 197) Controls (n= 162) Odds ratio (95% CI) Pvalue
< 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
  1. Data presented as n (%). CI, confidence interval; CN, copy number; FCGR3B, Fc gamma receptor 3B; RA, rheumatoid arthritis.