. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: J Nerv Ment Dis. 2015 Nov;203(11):813–819. doi: 10.1097/NMD.0000000000000375

Table 2.

Clinical Correlates of ADHD in mTBI+ADHD and ADHD Subjects

	mTBI+ADHD (N = 11)	ADHD (N = 22)	Statistic	p
	Mean ± SD	Mean ± SD
Total ADHD Symptoms	12.6 (± 2.9)	12.7 (± 4.3)	t = −0.0	p = 1

Total Hyperactivity/Impulsive ADHD Symptoms	6.9 (± 2.3)	7.3 (± 2)	t = −0.5	p = 0.7

Total Inattentive ADHD Symptoms	5.7 (± 1.4)	5.4 (± 3)	t = 0.4	p = 0.7

ADHD Onset	5.9 (± 2.9)	11.6 (± 5.7)	t = −3.7	p < .001

	N (%)	N (%)
ADHD Impairment - % at least moderate	7 (70%)^†	20 (95.2%)	Fisher	p = 0.09

ADHD Impairment - % Severe	4 (40%)^†	6 (28.6%)	Fisher	p = 0.7

^†

ADHD impairment data is missing for 1 mTBI subject