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Table 2 Comparison of the genotype and allele frequencies of GRIN2A, GRIN2B, and GRM7 polymorphisms between ADHD probands and controls

From: Association between the GRM7 rs3792452 polymorphism and attention deficit hyperacitiveity disorder in a Korean sample

 

ADHD (n = 202)

Controls (n = 159)

χ2

Cohen’s w

p

 

n

%

n

%

   

GRIN2A (rs8049651)

       

Genotype

    

1.73

0.07

0.421

GG

179

89.1

137

88.2

   

GA

21

10.4

22

13.8

   

AA

1

0.5

0

0

   

Allele

    

0.46

0.03

0.499

G

379

94.3

299

93.1

   

A

23

5.7

19

6.9

   

GRIN2B (rs2284411)

       

Genotype

    

1.52

0.06

0.469

CC

128

63.7

111

69.8

   

CT

66

32.8

43

27.1

   

TT

7

3.5

5

3.1

   

Allele

    

1.16

0.04

0.281

C

322

80.1

299

83.3

   

T

80

19.9

19

16.7

   

GRM7 (rs3792452)

       

Genotype

    

1.62

0.07

0.444

GG

174

86.6

140

88.1

   

GA

25

12.4

19

11.9

   

AA

2

1

0

0

   

Allele

    

0.42

0.02

0.551

G

373

92.8

299

94

   

A

29

7.2

19

6

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