Table 2.

(a) Mean and (SD) of regional mT2w signal for females and males with ADHD and TD controls. (b) Effects of diagnosis, sex and their interactions. (c) Effects of diagnosis within males and females, including Cohen’s d values

a.	ADHD		TD		b. Main effects and interactions			c. Effects of Diagnosis
ROI	Males (n = 76)	Females (n = 31)	Males (n = 119)	Females (n = 53)	Dx	Sex	Dx*Sex	Males	Females
					p	p	p	p (d)	p (d)
L Limbic	1.25 (0.08)	1.25 (0.06)	1.23 (0.08)	1.23 (0.07)	0.026*	0.656	0.615	0.013** (0.326)	0.299 (0.267)
R Limbic	1.25 (0.07)	1.26 (0.06)	1.24 (0.07)	1.23 (0.06)	0.028*	0.627	0.591	0.127 (0.204)	0.100 (0.410)
L Exec	1.25 (0.06)	1.24 (0.05)	1.24 (0.06)	1.24 (0.06)	0.360	0.802	0.842	0.309 (0.139)	0.667 (0.100)
R Exec	1.23 (0.05)	1.23 (0.05)	1.23 (0.05)	1.22 (0.06)	0.403	0.319	0.424	0.971 (0.218)	0.328 (0.016)
L Sm	1.15 (0.06)	1.15 (0.05)	1.15 (0.06)	1.15 (0.05)	0.785	0.323	0.926	0.739 (0.047)	0.914 (0.030)
R Sm	1.20 (0.05)	1.19 (0.05)	1.20 (0.05)	1.18 (0.05)	0.854	0.004**	0.796	0.687 (0.030)	0.965 (0.031)
L GP	0.83 (0.06)	0.84 (0.05)	0.83 (0.07)	0.83 (0.06)	0.731	0.895	0.584	0.856 (0.023)	0.593 (0.162)
R GP	0.87 (0.07)	0.87 (0.05)	0.87 (0.07)	0.86 (0.07)	0.903	0.375	0.358	0.473 (0.076)	0.533 (0.188)

L Limbic = left limbic striatum; R Limbic = right limbic striatum; L Exec = left executive striatum; R Exec = right executive striatum; L Sm = left sensorimotor striatum; R Sm = right sensorimotor striatum; L GP = left globus pallidus; R GP = right globus pallidus

^*p < 0.05

^**p < 0.01