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Table 3 Results of multivariate analysis for the SARA score at registration

From: A 3-year cohort study of the natural history of spinocerebellar ataxia type 6 in Japan

R 2 P Effect Estimate SE β t P
0.395 .001       
   Intercept −45.558 21.830 n/a −2.087 .044
   Sex −5.669 1.775 −.415 −3.194 .003
   Age at onset .338 .117 .451 2.877 .007
   Disease duration .252 .122 .285 2.067 .046
   CAG repeat length of the expanded CACNA1A allele 2.132 .812 .421 2.627 .012
  1. R2 = Coefficient of determination; β = standard coefficient.
  2. Abbreviations: CACNA1A = alpha 1A P/Q type voltage-dependent calcium channel gene; CAG = cytosine-adenine-guanine; n/a = not applicable; SARA = Scale for the Assessment and Rating of Ataxia; SE = standard error.