Table 2 Comparative frequency of FCGR3B copy number variants with rheumatoid factor and anti-cyclic citrullinated peptide autoantibodies
From: Low copy number of the FCGR3B gene and rheumatoid arthritis: a case-control study and meta-analysis
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 | ||