Table 2. Distribution of p53 polymorphism of twelve studies included in the meta-analysis.

Authors and year	Control				Case				HWE
	Genotype			Minor allele	Genotype			Minor allele
	Arg/Arg	Arg/Pro	Pro/Pro	MAF	Arg/Arg	Arg/Pro	Pro/Pro	MAF	HWEF
Dholariya et al. 2013	62	32	6	0.22	33	50	17	0.42	0.49
Malisic et al. 2013	45	22	3	0.2	22	22	3	0.29	0.88
Matei et al. 2012	7	7	7	0.5	9	6	6	0.42	0.12
Ueda et al. 2006	34	54	7	0.35	21	41	6	0.38	0.02
Morari et al. 2006	117	91	14	0.26	23	46	0	0.33	0.51
Santos et al. 2006	117	58	13	0.22	49	40	10	0.30	0.12
Agorastos et al. 2004	6	19	25	0.69	26	22	3	0.27	0.42
Pegoraro et al. 2003	32	147	161	0.68	14	41	30	0.59	0.85
Hogdall et al. 2002	48	27	8	0.25	118	73	20	0.26	0.16
Li et al. 2002	10	26	14	0.54	14	20	5	0.38	0.74
Buller et al. 1997	30	18	4	0.25	98	79	13	0.27	0.57
Peller et al. 1999	8	5	0	0.19	7	6	0	0.23	0.39