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Summary of the main characteristics of 11 patients with Parkinson's disease.
| Case no. | Age (yrs) | Sex | Preoperative Hoehn and Yahr stage (medication on period) | Duration of Parkinson's disease (yrs) |
|---|---|---|---|---|
| 1 | 42 | F | 2.5 | 8 |
| 2 | 66 | F | 2.5 | 8 |
| 3 | 66 | F | 3 | 12 |
| 4 | 61 | F | 4 | 20 |
| 5 | 73 | M | 3 | 10 |
| 6 | 61 | F | 3 | 10 |
| 7 | 68 | F | 3 | 3 |
| 8 | 77 | F | 3 | 14 |
| 9 | 54 | F | 4 | 14 |
| 10 | 64 | F | 3 | 12 |
| 11 | 66 | M | 1.5 | 6 |
| Mean | 63.5 | 3.0 | 10.6 | |
| ± S.D. | 9.4 | 0.7 | 4.6 |
Mean ± SD: mean ± standard deviation.
