Table 2. Meta-analysis of the association between FCGR2A rs1801274 polymorphism and SLE risk.

Population	N	A vs. G(allele model)			AA vs. AG+GG(recessive model)			AA+AG vs. GG(dominant model)
		OR(95%CI)	POR	Ph	OR(95%CI)	POR	Ph	OR(95%CI)	POR	Ph
Overall	34	0.879(0.819–0.943)	3.31 × 10−4	0.109	0.867(0.784–0.960)	6.14 × 10−3	0.214	0.843(0.739–0.961)	0.011	0.074
Caucasian	12	0.845(0.766–0.932)	8.08 × 10−4	0.439	0.775(0.655–0.917)	3.08 × 10−3	0.522	0.883(0.756–1.032)	0.117	0.427
Asian	15	0.896(0.822–0.977)	0.013	0.543	0.932(0.830–1.046)	0.232	0.658	0.767(0.604–0.975)	0.030	0.179
African	3	0.853(0.642–1.132)	0.271	0.438	0.836(0.428–1.633)	0.601	0.192	0.802(0.515–1.250)	0.331	0.688
Mixed population	1	1.133(0.887–1.448)	0.318	—	1.144(0.721–1.817)	0.568	—	1.27(0.844–1.911)	0.252	—
Non-Caucasian	1	1.259(0.898–1.765)	0.181	—	1.250(0.674–2.317)	0.479	—	1.538(0.887–2.666)	0.125	—
African Americans	2	0.575(0.427–0.774)	2.73 × 10−4	0.422	0.368(0.126–1.078)	0.068	0.100	0.519(0.324–0.831)	6.33 × 10–3	0.786

OR odd ratio, 95%CI confidence interval, P_OR P value for the test of association, P_h P value for heterogeneity analysis.