Convergent validity, responsiveness, and meaningful within-subject change of the PROM-Ataxia in spinocerebellar ataxias
The clinimetric properties of the Patient-Reported Outcome Measure of Ataxia (PROM-Ataxia) have only been partially explored. This study aimed to investigate its convergent validity, responsiveness, and minimal clinically important difference (MCID), as well as its discriminative ability at the earliest disease stages...