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Demographics and clinical presentation.
| Value | |
|---|---|
| Female n (%) | 26 (52) |
| Male n (%) | 24 (48) |
| Age, mean ± SD (range) | 73±8.45 (45-87) |
| H&Y, mean ± SD (range) | 3±0.66 (2-4) |
| MMSE, mean ± SD (range) | 27±1.22 (24-30) |
| Years of education, mean ± SD (range) | 10±4.34 (4-17) |
| Vocal intensity, mean before/after treatment | 61/75 |
H&Y: Hoehn&Yahr; MMSE: Mini-Mental State Examination.
