Table 1. Association of MBP locus with rheumatoid arthritis in the Japanese population.

Chr	dbSNPID	Gene	Allele	DNA Collection		Genotype counts			Success rate	HWEp	RAF**	p-value	OR	mhp ***
			Ref.(A1)/Var.(A2)			A1A1	A1A2	A2A2					(95%CI)
18q23	rs2000811	MBP	C/T*	1	case	203	303	136	99.8	0.25	0.45	0.0036	1.25
					control	344	442	148	100	0.76	0.4		(1.08–1.44)
				2	case	95	152	79	99.7	0.24	0.48	5.7×10−4	1.49
					control	120	131	46	100	0.31	0.38		(1.19–1.87)
				3	case	283	392	182	98.1	0.034	0.44	0.023	1.17
					control	298	404	134	97.8	0.88	0.4		(1.02–1.34)
				4	case	393	622	233	98.7	0.63	0.44	0.0041	1.19
					control	341	451	141	98.4	0.68	0.39		(1.06–1.35)
				3+4	case	676	1014	415	98.5	0.32	0.44	3.0×10−4	1.18
					control	639	855	275	98.1	0.69	0.4		(1.08–1.30)
				pooled	case	974	1469	630	98.9	0.078	0.44	4.0×10−8	1.23	2.7×10−8
					control	1103	1428	469	98.9	0.85	0.39		(1.14–1.32)

*risk allele for the disease,

**risk allele frequency, and

***p-value in meta-analysis using Cochran-Mantel-Haenszel test.