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. 2014 Oct 13;9(10):e110199. doi: 10.1371/journal.pone.0110199

Table 1. Demographic and clinical characteristics of subjects with ADHD and HC.

Variables ADHD (n = 22) HC (n = 19) Statistical test
Mean age, years (SD) 28.8 (4.9) 28.7 (5.4) -
Gender, no. of males (%) 14 (63.6%) 12 (63.1%) -
Years of Education (mean; SD) 13.8 (2.5) 12.3 (3.8) F = 0.98, P = 0.33, df = 39
Handedness, number of right-handed (%) 20 (90.9%) 18 (94.7%) χ2 = 0.220, df = 1, p = 0.639
Mean ASRS-18 Score (SD)
Part A: Inattentive Symptoms 30.8 (2.8) - -
Part B: Hyperactive/Impulsive Symptoms 25.9 (5.5) - -

ADHD: Attention-Deficit/Hyperactivity Disorder; HC: Healthy Controls; SD: Standard Deviation; ASRS-18: Adult ADHD Self-Report Scale.