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. 2009 May 18;5:22. doi: 10.1186/1744-9081-5-22

Table 5.

Statistics for ADHD and control group on assessment 1 and repeated assessment on the 'Total score'

'Total score' Assessment 1 'Total score' Assessment 2
ADHD Control ADHD Control
N 25 27 24 27
Range 33 20 22 20
Min 1 0 12 0
Max 34 20 34 20
Median 28 1 29 1

p < .0001 on both trials was found comparing the 'Total score' scores for the ADHD and control group (Mann-Whitney U-test).