Table 1.
Clinical and genetic characteristics of HD, pre‐HD, SCA and healthy patients, expressed as median values (min‐max). Abbreviations: HD = Huntington's disease; SCA = spinocerebellar ataxia; TFC = total function capacity score; UHDRS = Unified Huntington's Disease Rating Scale.
| HD (n = 31) | Pre‐HD (n = 5) | SCA type 1, 2 and 6 (n = 7) | Controls (n = 17) | |
|---|---|---|---|---|
| Clinical characteristics | ||||
| Women–men | 11–20 | 2–3 | 5–2 | 10–7 |
| Age (years) | 53.5 (30–81) | 36 (36–47) | 46 (26–69) | 53 (27–71) |
| Disease duration (years) | 6 (1–12) | — | 12 (5–19) | — |
| UHDRS motor score | 24 (1–77) | 0 (0–6) | — | — |
| TFC | 10.5 (1–13) | 13 (13–13) | — | — |
| Disease stages | Stage I = 16 | — | — | — |
| Stage II = 7 | ||||
| Stage III = 7 | ||||
| Stage IV = 1 | ||||
| Genetic characteristics | ||||
| CAG repeats normal | 17 (15–24) | 20 (17–22) | 22 (11–29) | — |
| CAG repeats expanded | 44 (40–52) | 40 (39–43) | 47 (22–53) | — |