Table 2

Dichotomized symptom scale of ADHD/disruptive behavior and platelet MAO-B activity in girls


MAO-B activity in girls



Dichotomized symptom scale
High dimension of phenotype Mean(S.D.)
Low dimension of phenotype Mean(S.D.)
n/N*
p
p

ADHD inattentive
12.57(2.40)
13.31(3.53)
22/140
0.381
0.631
ADHD hyperactive
11.99(2.32)
13.32(3.47)
15/139
0.264
0.215
ADHD combined
11.97(1.95)
13.25(3.45)
8/139
0.646
0.291
ODD
11.50(2.18)
13.44(3.46)
18/140
0.033
0.007
CD
11.63(1.48)
13.26(3.42)
6/140
0.227
0.167
ODD or CD
11.52(2.07)
13.47(3.48)
20/140
0.013
0.017

*Number of children with high dimensions of phenotype/total number of children

Analyses performed using dichotomized symptom scales

Analyses performed using dimensional scales

Malmberg et al. BMC Psychiatry 2008 8:28   doi:10.1186/1471-244X-8-28