Table 3. Meta-analysis for the association between the MUC1 rs4072037 A > G SNP and GCa risk.

Genotype	No. of Studies	No. of Cases	No. of Controls	OR (95% CI)	P	Pheterogeneity	I2 (%)	Model
MUC1 rs4072037
AG vs AA	8	6957	5677	0.64 (0.54, 0.77)	P < 0.001	0.001	71.0%	Random
GG vs AA	8	5623	4334	0.55 (0.46, 0.65)	P < 0.001	0.239	23.8%	Fixed
AG/GG vs AA	8	7312	6112	0.63 (0.53, 0.75)	P < 0.001	0.03	8 71.2%	Random
GG vs AA/AG	8	7312	6112	0.72 (0.62, 0.84)	P < 0.001	0.095	42.5%	Fixed