Table 3.

FA at fiber tract in methamphetamine-dependent and healthy control subjects

Volume of interest	MA group (n = 23)	HC group (n = 18)	Effect size
Genu corpus callosum	0.848 ± 0.048*	0.882 ± 0.041	−0.74
Splenium corpus callosum	0.879 ± 0.069	0.900 ± 0.052	−0.33
Left anterior corona radiata	0.572 ± 0.060	0.597 ± 0.074	−0.37
Right anterior corona radiata	0.570 ± 0.067	0.580 ± 0.085	−0.13
Left midcaudal superior corona radiata	0.387 ± 0.050*	0.435 ± 0.075	−0.75
Right midcaudal superior corona radiata	0.382 ± 0.060*	0.429 ± 0.058	−0.77
Left caudal superior corona radiata	0.478 ± 0.067	0`506 ± 0.076	−0.38
Right caudal superior corona radiata	0.482 ± 0.061	0.473 ± 0.061	0.15
Left internal capsule anterior limb	0.523 ± 0.074	0.533 ± 0.071	−0.13
Right internal capsule anterior limb	0.537 ± 0.065	0.522 ± 0.073	+0.21
Left genu internal capsule	0.617 ± 0.052	0.633 ± 0.063	−0.27
Right genu internal capsule	0.636 ± 0.069	0.635 ± 0.065	+0.01
Left internal capsule posterior limb	0.708 ± 0.040	0.707 ± 0.040	+0.02
Right internal capsule posterior limb	0.721 ± 0.050	0.744 ± 0.036	−0.50
Left perforant path	0.523 ± 0.053	0.532 ± 0.069	−0.14
Right perforant path	0.504 ± 0.04*	0.543 ± 0.068	−0.70

Data are group means ± standard deviation

FA fractional anisotropy, MA methamphetamine abuser, HC healthy control

*p < 0.05 (protected post hoc one-way ANOVA following omnibus repeated-measures ANOVA)