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Progression of SARA (A), INAS (B) and SCAFI (C) in patients with SCA3. Data are mean (95% CI). Dots indicate the mean values. The continuous lines show the changes of recorded values, and the dashed lines shows the estimated progression based on the linear mixed model. SARA, scale for the assessment and rating of ataxia; INAS, inventory of non-ataxia signs; SCAFI, SCA Functional Index.
