Association between cyclin D1 G870A polymorphism and cervical cancer risk: a cumulative meta-analysis involving 2,864 patients and 3,898 controls

Table 1 Characteristics of case-control studies on CCND1 G870A polymorphisms and cervical cancer risk included in the meta-analysis

First author	Year	Country	Racial/descent	Source of controls	Case	Control	Genotype distribution						Pfor HWE^a	Genotying type
							Case			Control
							GG	GA	AA	GG	GA	AA
Catarino	2005	Portugal	Caucasian	Healthy base	143	103	35	64	44	9	55	39	0.091	PCR-RFLP
Jeon	2005	Korean	Asian	Hospital base	222	314	49	112	61	80	160	74	0.730	PCR-RFLP
Catarino	2008	Portugal	Caucasian	Hospital base	226	247	60	103	63	40	138	69	0.037	PCR-RFLP
Satinder	2008	India	Asian	Healthy base	150	150	33	64	53	30	65	55	0.184	PCR-RFLP
Thakur	2009	India	Asian	Hospital base	200	200	39	94	67	47	119	34	0.006	PCR-RFLP
Castro	2009	Sweden	Caucasian	Population base	952	1713	229	463	260	465	837	411	0.367	Multiplex PCR and hybridization
Ni	2011	China	Asian	Hospital base	300	312	48	160	92	70	137	105	0.051	PCR-RFLP
Warchoł	2011	Poland	Caucasian	Healthy base	129	288	35	65	29	116	123	49	0.100	PCR-RFLP
Wang	2012	China	Asian	Population base	327	411	86	180	61	92	203	116	0.859	PCR-RFLP
Djansugurova	2013	Kazakhstan	Caucasian	Healthy base	215	160	54	103	58	41	78	41	0.752	Direct sequencing

ISSN: 1746-1596