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Table 3 rs11178997 Hardy–Weinberg equilibrium test between ODD and control group

From: Association of tryptophan hydroxylase-2 polymorphisms with oppositional defiant disorder in a Chinese Han population

Group

Genotype

AA

AT

TT

Total

χ2

χ2*

P

ODD group

     

1.292

0.256

 Observation (O)

6

33

84

123

   

 Expectation (E)

4.116*

36.768

82.116

123

   

Control group

     

0.052

0.820

 Observation (O)

4

39

109

152

   

 Expectation (E)

3.633*

39.734

108.63

152

   
  1. df = 1, when E is little than 5, we use Yates corrected Chi squared test, χ2*