Table 2.

Summarized genotype data included in this meta-analysis.

Author	Year	Country	Cancer								Control
			CC	CT	TT	CC+CT	CT+TT	C	T	MAF	CC	CT	TT	CC+CT		CT+TT	C	T	MAF
Kubben	2006	Dutch	19	46	14	65	60	84	74	0.47	55	81	33	136	114		191	147	0.43
Qiu	2008	China	140	196	81	336	277	476	358	0.43	184	216	80	400	296		584	376	0.39
Debniak	2011	UK	86	152	58	238	210	324	268	0.45	113	134	43	247	177		360	220	0.38
Hashim	2012	Malaysia	NA	NA	1	47	NA	NA	NA	NA	NA	NA	8	40	NA		NA	NA	NA
Laxton	2012	UK	628	1105	439	1733	1544	2361	1983	0.46	735	1096	437	1831	1533		2566	1970	0.43
Laxton	2012	Poland	NA	NA	NA	NA	NA	332	262	0.44	NA	NA	NA	NA	NA		348	258	0.43
Srivastava	2013	India	99	90	11	189	101	288	112	0.28	92	84	24	176	108		268	132	0.33
Arechavaleta	2014	Mexico	6	16	13	22	29	28	42	0.60	6	26	5	32	31		38	36	0.49
Wieczorek	2014	Poland	72	125	44	197	169	269	213	0.44	60	101	38	161	139		221	177	0.44
Hung	2017	China	414	284	90	698	374	1112	464	0.29	466	364	126	830	490		1296	616	0.32
Pei	2017	China	139	98	29	237	127	376	156	0.29	129	105	32	234	137		363	169	0.31
Shen	2017	China	188	130	40	318	170	506	210	0.29	351	273	92	624	365		975	457	0.32
Hsiao	2018	China	648	466	118	1114	584	1762	702	0.28	633	468	131	1101	599		1734	730	0.30
Tsai	2018	China	186	152	37	338	189	524	226	0.30	197	140	38	337	178		534	216	0.29
Wang	2018	China	NA	NA	NA	NA	NA	724	418	0.37	NA	NA	NA	NA	NA		769	387	0.33

MAF: minor allele frequency (T/C+T).