The primary clinical characteristics of the FA patient cohort, including disease onset age, disease duration, GAA1 and GAA2 repeats expansions, point mutations, disability stage, severity index, age at permanent wheelchair use, age at permanent walking aid use, and scales measuring disease progression (such as ADL sum, SARA sum, annual average ADL gain, annual average SARA gain, and MoCA total), are also detailed in Table 1. This evidence concerns the gene GPAA1 and Friedreich ataxia.