Table 4. The Results of Meta-regression of rs3746444 (P).

Factors	GG vs AA	AG vs AA	G vs A	GG+AG vs AA	GG vs AG+AA
Source of control	0.11	0.10	0.08	0.07	0.13
Genotyping method	0.30	0.21	0.56	0.90	0.11
Size	0.32	0.56	0.60	0.93	0.29
HWE	0.58	0.37	0.85	0.83	0.44