| AUC | Area under the curve |
| ATXN7 | Ataxin 7 |
| CAG | Cytosine–adenine–guanine |
| CV | Coefficient of variation |
| CSF | Cerebrospinal fluid |
| GMS | Gait mobility scale |
| GFAP | Glial fibrillary acidic protein |
| IRB | Institutional Review Board |
| NfL | Neurofilament light |
| SARA | Scale for the assessment and rating of ataxia |
| STAGA | SPT3-TAFII31-GCN5L acetylase |
| SCA7 | Spinocerebellar ataxia type 7 |