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Table 1 Demographic and clinical characteristics according to SLC6A2 genotype

From: The 1287 G/A polymorphism of the Norepinephrine Transporter gene (NET) is involved in Commission Errors in Korean children with Attention Deficit Hyperactivity Disorder

  GG(n = 46) GA(n = 35) AA(n = 6) p
Age 9.22 ± 1.89 9.14 ± 2.17 9.83 ± 1.94 .7381)
Sex     .1672)
   Male (%) 40(87.0) 26(74.3) 6(100.0)  
   Female (%) 6(13.0) 9(25.7) 0(0)  
IQ 106.87 ± 13.44 100.86 ± 18.31 111.83 ± 20.63 .140 1)
ADHD Subtype     
   Combined (% of each genotype) 18(39.1) 17(48.6) 4(66.7) .6092)
   Inattentive (% of each genotype) 24(52.2) 14(40.0) 2(33.3)  
   Hyperactive/Impulsive (% of each genotype) 4(8.7) 4(11.4) 0(0)  
Comorbidity     
   CD (% of each genotype) 0(0) 3(5.7) 0(0) .2192)
   ODD (% of each genotype) 1(2.2) 1(2.9) 0(0) .9082)
   Mood (% of each genotype) 10(21.7) 8(22.9) 0(0) .2622)
   Anxiety disorder (% of each genotype) 4(8.7) 5(14.3) 1(11.1) .7422)
   Tic (% of each genotype) 7(15.2) 0(0.0) 1(16.7) .0512)
ARS scores     
   Total 31.72 ± 7.97 32.89 ± 8.08 32.83 ± 7.68 .796 1)
   Inattentive 16.74 ± 3.96 16.83 ± 4.44 17.67 ± 3.83 .876 1)
   Hyperactivity/impulsivity 14.98 ± 6.81 16.06 ± 6.05 15.17 ± 5.15 .752 1)
  1. 1) Data determined using one-way analysis of variance test.
  2. 2) Data determined by χ2 test or Fisher's exact test
  3. ADHD, Attention-deficit hyperactivity disorder; ODD, Oppositional defiant disorder; ARS, ADHD rating scale