Table 6.

Summary of results of the meta-analysis from different comparative genetic models in the subgroup analysis

	No. (cases/controls)	G vs. A			GG vs. AA			GG+AG vs. AA			GG vs. AG+AA
		OR (95% CI)	P	P (Q-test)	OR (95% CI)	P	P (Q-test)	OR (95% CI)	P	P (Q-test)	OR (95% CI)	P	P (Q-test)
Total	2080/2833	0.87 (0.71-1.08)	0.205	0.000	0.73 (0.47-1.14)	0.173	0.000	0.88 (0.69-1.12)	0.296	0.007	0.79 (0.54-1.16)	0.232	0.000
Ethnicity
Asians	1221/1365	0.81 (0.62-1.07)	0.133	0.001	0.60 (0.31-1.15)	0.123	0.000	0.87 (0.73-1.04)	0.119	0.370	0.61 (0.32-1.18)	0.143	0.000
Caucasians	859/1468	0.96 (0.66-1.39)	0.817	0.001	0.93 (0.46-1.88)	0.832	0.003	0.85 (0.48-1.52)	0.592	0.002	1.08 (0.72-1.63)	0.694	0.060
Sample sizes
< 600	581/684	0.71 (0.47-1.06)	0.097	0.000	0.45 (0.18-1.13)	0.089	0.000	0.71 (0.42-1.18)	0.183	0.003	0.53 (0.24-1.13)	0.100	0.000
≥ 600	1499/2149	1.07 (0.85-1.34)	0.548	0.030	1.16 (0.74-1.81)	0.528	0.032	0.97 (0.81-1.15)	0.711	0.178	1.18 (0.83-1.68)	0.361	0.053
Publication year
> 2009	895/937	0.66 (0.46-0.96)	0.030	0.006	0.43 (0.19-0.95)	0.037	0.005	0.62 (0.38-1.01)	0.055	0.045	0.53 (0.25-1.13)	0.100	0.001
≤ 2009	1185/1896	1.06 (0.88-1.29)	0.543	0.037	1.09 (0.70-1.69)	0.696	0.017	1.10 (0.94-1.30)	0.223	0.457	1.07 (0.72-1.59)	0.754	0.010