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Demographic information on the 123 subjects being studied. Key: N number of subjects; m/f is the male/female ratio; Age is the mean age; SD is the standard deviation of the age; healthy controls (HC); spinocerebellar ataxia type 2 (SCA2), type 3 (SCA3), type 6 (SCA6) and type 8 (SCA8); ataxia-telangiectasia (AT).
| N | (m/f) | Age | (SD) | |
|---|---|---|---|---|
| HC | 65 | (28/37) | 50.7 | (17.7) |
| SCA2 | 4 | (3/1) | 48.8 | (8.8) |
| SCA3 | 7 | (2/5) | 51.7 | (9.3) |
| SCA6 | 27 | (7/20) | 58.4 | (9.3) |
| SCA8 | 2 | (2/0) | 43.5 | (16.3) |
| AT | 18 | (12/6) | 18.3 | (6.2) |
