. Author manuscript; available in PMC: 2013 Jun 3.

Published in final edited form as: Ann Rheum Dis. 2010 May 14;69(9):1711–1716. doi: 10.1136/ard.2009.123588

Table 2.

Fcγ receptor 3B (FCGR3B) copy number (CN) and risk for rheumatoid arthritis (RA)

	FCGR3B CN	Cases, N (frequency)	Controls, N (frequency)	OR (95% CI)	p Value

New Zealand RA	<2	60 (0.099)	32 (0.071)	1.45 (0.92 to 2.26)	0.11
	≥2	546 (0.901)	421 (0.929)	1.00
UK RA	<2	15 (0.062)	10 (0.047)	1.33 (0.58 to 3.02)	0.50
	≥2	228 (0.938)	202 (0.953)	1.00
Dutch RA	<2	86 (0.116)	43 (0.061)	2.01 (1.37 to 2.94)	3.0×10⁻⁴
	≥2	655 (0.884)	658 (0.939)	1.00
Breunis RA²⁵	<2	10 (0.089)	9 (0.070)	1.31 (0.51 to 3.34)	0.57
	≥2	102 (0.901)	120 (0.930)	1.00
Combined RA^*	<2	171 (0.100)	94 (0.063)	1.67 (1.28 to 2.17)	1.2×10⁻⁴
	≥2	1531 (0.900)	1401 (0.937)	1.00

p=0.60, Breslow–Day.