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Demographic and clinical characteristics of SCA3 patients and healthy controls. Data are presented as mean ± SD or frequency (percentage)
| SCA3 patients | Healthy controls | |
|---|---|---|
| Age (y) | 51.9 ± 10.0 | 52.9 ± 6.6 |
| Male, n (%) | 12 (60) | 10 (55.6) |
| Educational level (y) | 18.5 ± 4.0 | 19.7 ± 2.9 |
| Disease duration (y) | 8.0 ± 5.4 | – |
| SARA score | 11.9 ± 3.9 | – |
| Number of repeats at expanded allele | 67.6 ± 3.4 | – |
