XRCC1 genetic polymorphism Arg399Gln and gastric cancer risk: A meta-analysis

Table 1 Distribution of XRCC1 genotype among gastric cancer cases and controls included in the meta-analysis

Distribution			XRCC1 condon 399
First author	Area	Yr	Prostate cancer			Control			HWE
			Arg/Gln	Arg/Gln	Gln/Gln	Arg/Gln	Arg/Gln	Gln/Gln
Shen et al[8]	China	2000	13	83	92	13	59	64	Yes
Lee et al[10]	South Korea	2002	110	71	9	94	69	9	Yes
Ratnasinghe et al[11]	China	2004	49	34	3	192	193	33	Yes
Duarte et al[12]	Brazil	2005	73	67	20	70	57	23	Yes
Huang et al[13]	Poland	2005	124	121	36	166	179	45	Yes
Song et al[14]	China	2006	46	48	8	54	44	3	Yes
Zhang et al[15]	China	2006	136	82	18	369	275	64	Yes
Ruzzo et al[16]	Italy	2007	10	45	36	10	59	50	Yes

HWE: Hardy-Weinberg equilibrium.