Table 1.

Demographics, psychological tests, past comorbidities, and allele frequencies between patients with ADHD and HCs

			Controls (n = 20)	ADHD (n = 20)
	Age		30.4 ± 10.9	30.8 ± 10.9
	Sex	M/F	14/6	14/6
SNP	rs28386840	A/T	9/10	14/6
SNP	rs2242446	T/C	9/9	12/8
SNP	rs15534	C/T	13/7	11/9
SNP	rs40615	T/A	12/8	10/10
CAARS	Total score		0.32 ± 0.82*	37.45 ± 8.23*
CAARS	Hyperactive/Impulsive		0.21 ± 0.63*	19.45 ± 5.89*
CAARS	Inattention		0.11 ± 0.32*	18 ± 4.78*
	Past comorbidities
	Depression			n =7
	Drug abuse			n = 2

Significant differences between groups are indicated with * at P < 0.001. Genotype frequencies are shown for major/minor allele