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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