|
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
|
-
# composed of patients with dominant SCA and sporadic ataxia