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Table 3 Dimensional symptom scales of ADHD and disruptive behavior related to 5-HTT LPR genotype in boys

From: ADHD and Disruptive behavior scores – associations with MAO-A and 5-HTT genes and with platelet MAO-B activity in adolescents

 

5-HTT genotype in boys

  

Dimensional symptom scale

SS short/short n = 12 Mean(S.D.)

LS long/short n = 47 Mean(S.D.)

LL long/long n = 45 Mean(S.D.)

p

p

ADHD inattentive

4.17(3.10)

6.08(4.25)

4.09(3.73)

0.867

0.122

ADHD hyperactive

3.17(3.43)

4.71(4.00)

3.02(2.97)

0.990

0.089

ADHD combined

7.33(6.05)

10.79(7.04)

7.11(6.43)

0.928

0.064

ODD

1.00(1.48)

2.17(2.82)

1.24(2.05)

0.817

0.079

CD

1.08(1.68)

1.49(2.47)

0.42(1.08)

0.328

0.006

ODD or CD

2.08(2.64)

3.66(4.90)

1.67(2.86)

0.651

0.018

  1. *Total number with the specific genetic marker
  2. SS and LL compared
  3. LS and LL compared