Table 3.

Egger’s Regression Test for Funnel Plot Asymmetry

Gene name	Variant I.D	t	df	P-value*
GSTT1	del 1	0.6324	2	0.5918
GSTM1	del 2	0.1516	2	0.8934
MTHFR	rs1801133	-0.5631	2	0.6301
XRCC1	rs25487	1.6167	4	0.1812
TP53	rs1042522	-0.4649	6	0.6584
CYP1A1	rs4646903	-0.6117	2	0.603
CYP1A1	rs1048943	56.5441	1	0.0113

^*P<0.05