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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.