How does performance of the Friedreich Ataxia Functional Composite compare to rating scales?

Geneieve Tai, Eppie M. Yiu, Martin B. Delatycki, Louise A. Corben; J Neurol (2017). doi:10.1007/s00415-017-8566-0

The aims of this study were to examine the relationship between the Friedreich Ataxia Functional Composite (FAFC) measures and characteristics of FRDA to determine if the FAFC is more sensitive to clinical change over time compared to its components.


How does performance of the Friedreich Ataxia Functional Composite compare to rating scales?