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Table 2 genotype frequency of COMT and MAOA between two phenotypes

From: Attention Deficit Hyperactivity Disorder comorbid oppositional defiant disorder and its predominately inattentive type: evidence for an association with COMT but not MAOA in a Chinese sample

  

ADHD with ODD (n = 56)

ADHD without ODD (n = 115)

X2

P

COMT

ValVal

31 (55.4%)

42 (36.5%)

  
 

ValMet/MetMet

25 (44.6%)

73 (63.5%)

5.461

0.019

MAOA

3R

38 (67.9%)

81 (70.4%)

  
 

4R

18 (32.1%)

34 (29.6%)

0.118

0.731

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Behavioral and Brain Functions

ISSN: 1744-9081

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