TABLE 3.

Main and interaction effects of rs11146020 and rs3813296 on gray and white matter volumes.

rs11146020*rs3813296 inteaction effect on gray matter volumes
GG/GT vs. GG/TT
Brain region	MNI			T value	P value
	X	Y	Z
L.Caudate/thalamus	−15	14	6	4.563	0.005
R. Caudate/thalamus	17	17	6	4.288	0.005
L.Putamen/caudate	−9	13	−4	4.892	0.004
R. Putamen/caudate	16	17	−4	5.184	0.002
rs3813296 main effect on white matter volumes
GT vs. TT
Brain region	MNI			T value	P value
	X	Y	Z
L. Superior corona radiata	−26	−3	21	3.681	0.008
R. Superior corona radiata	26	−8	32	3.455	0.010
rs11146020*rs3813296 inteaction effect on white matter volumes
GG/GT vs. CG/TT
Brain region	MNI			T value	P value
	X	Y	Z
L. Superior corona radiata	−16	−6	35	−3.47	0.009
R. Superior corona radiata	29	−10	35	−3.394	0.010

P and corresponding T values were obtained by two samples t-test (P < 0.01, FDR correction). X, Y, and Z from MNI (Montreal Neurological Institute) coordinates.