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Egyptian Journal of Medical Human Genetics

Table 2 Allelic and genotypic frequencies of DRD2 rs1800497 polymorphism in the drug dependence and control subjects

From: Influence of dopaminergic system gene polymorphisms on mixed amphetamine-type stimulants and opioid dependence in Malaysian Malays

DRD2 rs1800497

Group, n (%)

Statisticsa

Drug dependence (n = 70)

Control (n = 87)

χ2 (df)

p value

Genotype

A1/A1

7 (10.10)

22 (25.29)

10.048 (2)

<0.001

A1/A2

14 (20.0)

25 (28.74)

  

A2/A2

49 (70.0)

40 (45.98)

Allele

A1

28 (20.00)

69 (39.66)

14.039 (1)

0.0000

A2

112 (80.00)

105 (60.34)

 
  1. aChi-squared test
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