Table 4.

Group differences in FA in Regions-of-Interest (ROI).

Measure	NUC		RUC		PUD		F(2, 59)	eta2	Post-hoc
	M	SD	M	SD	M	SD
SLF_R	0.458	0.020	0.456	0.027	0.436	0.024	4.86*	0.15	NUC, RUC > PUD
SLF_L	0.448	0.019	0.444	0.021	0.423	0.022	8.12**	0.22	NUC, RUC > PUD
SCR_R	0.450	0.025	0.447	0.019	0.429	0.025	4.46*	0.14	NUC > PUD
SCR_L	0.455	0.021	0.449	0.023	0.431	0.026	5.27*	0.16	NUC > PUD

^*p<.05,

^**p<.01, FA, Fractional Anisotropy; NUC, Non-using controls; RUC, Recreational using controls; PUD, Poly drug use disordered patients; FLS, Fasciculus longitudinalis superior; CRS, Corona radiata superior; L, Left; R, Right.