Fig. 2.

Standardized regression coefficients showing the association between FARS disability stages and outcome measures, adjusted for age, sex, age at disease onset, and education. Footnotes: Forrest plots based on a linear regression model with random effects for study site (cluster) and adjusted for age, sex, education, and disease duration. Abbreviations: CCAS, Cerebellar Cognitive Affective Syndrome Scale; FARS-ADL, Friedreich's Ataxia Rating Scale–Activities of Daily Living Subscale; WEMWBS, Warwick–Edinburgh Mental Well-being Scale; COMATAX, scale for the psychosocial impact of communication disabilities.