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Sample characterization.
| Variables | PG (n = 20) | CG (n = 20) |
|---|---|---|
| Gender, n (%) | ||
| Female | 14 (70%) | 14 (70%) |
| Male | 6 (30%) | 6 (30%) |
|
| ||
| Age, mean (SD) | 61.60 (9.21) | 61.35 (9.48) |
|
| ||
| Disease duration, mean (SD) | 6.10 (4.15) | — |
|
| ||
| Predominant motor symptom, n (%) | ||
| Tremor | 9 (45%) | — |
| Rigidity or bradykinesia | 11 (55%) | — |
