Table 2. Overall analysis between hOGG1 Ser326Cys polymorphism and risk of cancer in Asian.

Cancers	Comparison	Heterogeneity		Model	OR (95% CI)	p
		p	I-squared
All cancers	C vs. G	<0.001	44.278	Random	1.095 (1.048-1.145)	<0.001
	CC vs. CG+GG	<0.001	48.900	Random	1.096 (1.015-1.183)	0.019
	CC+CG vs. GG	<0.001	63.487	Random	1.171 (1.070-1.282)	0.001
Colorectal cancer	C vs. G	0.149	47.481	Fixed	0.987 (0.879-1.108)	0.822
	CC vs. CG+GG	0.123	<0.001	Fixed	1.068 (0.868-1.315)	0.532
	CC+CG vs. GG	0.451	<0.001	Fixed	0.945 (0.795-1.122)	0.517
Lung cancer	C vs. G	0.487	<0.001	Fixed	1.110 (1.048-1.176)	<0.001
	CC vs. CG+GG	0.163	27.193	Fixed	1.116 (1.013-1.229)	0.027
	CC+CG vs. GG	0.220	21.505	Fixed	1.176 (1.074-1.289)	0.000
Breast cancer	C vs. G	0.376	6.340	Fixed	1.085 (1.013-1.162)	0.019
	CC vs. CG+GG	0.942	<0.001	Fixed	1.098 (0.971-1.241)	0.135
	CC+CG vs. GG	0.108	44.685	Fixed	1.122 (1.014-1.242)	0.026
Bladder cancer	C vs. G	0.018	75.198	Random	1.135 (0.821-1.571)	0.444
	CC vs. CG+GG	0.848	<0.001	Fixed	1.157 (0.910-1.472)	0.235
	CC+CG vs. GG	<0.001	89.184	Random	1.264 (0.503-3.174)	0.619
Gallbladder cancer	C vs. G	0.015	83.061	Random	1.108 (0.710-1.728)	0.652
	CC vs. CG+GG	0.029	78.918	Random	1.080 (0.644-1.812)	0.771
	CC+CG vs. GG	0.074	68.567	Fixed	1.099 (0.761-1.585)	0.615
Gastric cancer	C vs. G	0.075	49.976	Fixed	1.010 (0.904-1.129)	0.855
	CC vs. CG+GG	0.561	<0.001	Fixed	0.977 (0.811-1.176)	0.802
	CC+CG vs. GG	0.012	65.907	Random	1.232 (0.823-1.843)	0.311
Esophageal cancer	C vs. G	0.837	<0.001	Fixed	1.087 (0.980-1.205)	0.113
	CC vs. CG+GG	0.733	<0.001	Fixed	1.017 (0.875-1.182)	0.821
	CC+CG vs. GG	0.031	56.757	Random	1.277 (0.939-1.735)	0.119
Head and neck cancer	C vs. G	0.020	81.661	Random	1.499 (0.729-3.084)	0.271
	CC vs. CG+GG	0.274	16.259	Fixed	1.856 (1.262-2.731)	0.002
	CC+CG vs. GG	0.124	57.636	Fixed	0.964 (0.696-1.335)	0.825
Hepatocellular cancer	C vs. G	0.001	74.985	Random	1.089 (0.883-1.344)	0.424
	CC vs. CG+GG	<0.001	89.658	Random	1.113 (0.673-1.841)	0.677
	CC+CG vs. GG	<0.001	85.472	Random	1.126 (0.723-1.754)	0.600

OR odds ratio, vs versus. Bold numbers indicate significant association with risk of cancer.