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Frequency of Extra-cerebellar signs in SCA3 patients.
| Non-ataxia signs | Frequency (N%) |
|---|---|
| Hyperreflexia | 27 (39.7%) |
| Areflexia | 4 (5.9%) |
| Extensor plantar | 22 (32.4%) |
| Spasticity | 14 (20.6%) |
| Paresis | 10 (14.7%) |
| Muscle atrophy | 11 (16.2%) |
| Fasciculations | 13 (19.1%) |
| Myoclonus | 0 |
| Rigidity | 32 (47.1%) |
| Chorea/Dyskinesia | 4 (5.9%) |
| Dystonia | 5 (7.4%) |
| Resting tremor | 11 (16.2%) |
| Sensory symptoms | 2 (2.9%) |
| Urinary dysfunction | 12 (17.6%) |
| Cognitive dysfunction | 10 (14.7%) |
| Brainstem oculomotor signs | 16 (23.5%) |
