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Table 2 Frequencies of MJD in SCA patients from different Asia populations

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

 

Number of MJD

Number of SCA

Frequency (%)

P

Reference

Present study

100

138

72.5

  

Chinese mainland

59

120

49.2

<0.001

23

 

41

85

48.2

<0.001

24

 

26

75

34.7

<0.001

25

 

1

8

12.5

<0.001

22

Chinese Taiwan

35

74

47.3

<0.001

26

 

26

81

32.1

<0.001

27

Singapore

15

36

41.7

0.001

28

Japan

87

202

43.1

<0.001

9

 

12

29

41.4

0.001

29

 

91

330

27.6

<0.001

30

 

30

113

26.5

<0.001

31

 

35

143

24.5

<0.001

32

 

28

117

23.9

<0.001

33

 

8

46

17.4

<0.001

34

 

3

86

3.5

<0.001

35

Thailand

35

182#

19.2

<0.001

36

Korea

4

40

10.0

<0.001

37

 

13

237

5.5

<0.001

38

India

5

14

35.7

0.005

39

 

15

105

14.3

<0.001

40

 

2

39

5.1

<0.001

12

 

7

143

4.9

<0.001

10

 

1

32

3.1

<0.001

41

 

2

77

2.6

<0.001

42

 

0

28

0

<0.001

43

  1. # composed of patients with dominant SCA and sporadic ataxia