Table 3.
Demographic variables for all subjects included in the study
| Variable | FRDA | Controls | P |
|---|---|---|---|
| Age | 31.3 ± 15.0 | 30.7 ± 15.5 | 0.789 |
| Education | 12.1 ± 2.9 | 12.5 ± 3.2 | 0.719 |
| Gender (M/F) | 15/9 | 15/9 | 1.000 |
| GAA1 | 677.0 ± 282.8 | – | – |
| GAA2 | 906.3 ± 310.4 | – | – |
| Ventricular hypertrophy | 13/24 | – | – |
| Reduced ejection fraction | 4/24 | – | – |
| Ambulant | 18/24 | – | – |
| SARA | 18.7 ± 7.2 | – | – |
| 1 – Gait | 5.6 ± 2.0 | – | – |
| 2 – Stance | 4.2 ± 1.6 | – | – |
| 3 – Sitting | 1.2 ± 1.1 | – | – |
| 4 – Speech disturbance | 1.8 ± 1.2 | – | – |
| 5 – Finger chase | 1.3 ± 0.8 | – | – |
| 6 – Nose‐finger test | 1.2 ± 0.7 | – | – |
| 7 – Fast alternating hand movements | 1.7 ± 0.8 | – | – |
| 8 – Heel shin slide | 2.2 ± 1.0 | – | – |
Age and education are expressed in years. FRDA, Friedreich's ataxia; SARA, Scale for the Assessment and Rating of Ataxia.