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Table 1 The frequencies of large normal alleles of ATXN3 gene

From: High frequency of Machado-Joseph disease identified in Southeastern Chinese kindreds with spinocerebellar ataxia

Number of CAG repeats

Present study

Japanese

Indian

Czech

Combined Population

 

Frequency

Frequency

χ2

P

Frequency

χ2

P

Frequency

χ2

P

Frequency

χ2

P

>27

0.28

0.21

3.683

0.055

0.12

42.045

0.000

0.09

27.663

0.000

0.17

8.616

0.003

>28

0.19

0.11

6.788

0.009

0.08

29.060

0.000

0.04

21.956

0.000

0.11

10.341

0.001

>29

0.13

0.07

5.869

0.015

0.04

28.517

0.000

0.04

11.836

0.001

0.08

5.264

0.002

>30

0.10

0.05

4.342

0.037

0.03

22.329

0.000

0.03

8.499

0.004

0.07

3.192

0.074

>31

0.07

0.05

1.332

0.248

0.02

14.120

0.000

0.01

8.186

0.004

0.05

2.190

0.139