Table 1.
Characteristics of patients
| Case | Sex | Age, y | Disease duration, y | Score | DBS target |
| Parkinson's disease | |||||
| 1 | F | 78 | 10 | 36/21 | GPi |
| 2 | M | 68 | 13 | 30/17 | GPi |
| 3 | M | 73 | 13 | 38/23 | GPi |
| 4 | M | 67 | 22 | 37/27 | GPi |
| 5 | M | 63 | 16 | 18/5 | GPi |
| 6 | F | 68 | 25 | 64/29 | GPi |
| 7 | F | 58 | 24 | 29/19 | VIM |
| 8 | M | 78 | 16 | 27/25 | VIM |
| 9 | M | 52 | 13 | 62/21 | STN |
| 10 | M | 56 | 11 | 38/19 | STN |
| 11 | M | 63 | 10 | 38/17 | STN |
| Isolated dystonia | |||||
| 12 | M | 55 | 4 | 16 | GPi |
| 13 | F | 69 | 9 | 10 | GPi |
| 14 | F | 63 | 4 | 18.5 | GPi |
| 15 | M | 58 | 8 | 5.5 | GPi |
| 16 | F | 70 | 6 | 5.5 | GPi |
| Essential tremor | |||||
| 17 | M | 71 | 14 | 59 | VIM |
| 18 | M | 79 | 9 | 50 | VIM |
| 19 | F | 74 | NA | 41 | VIM |
| 20 | M | 71 | NA | 48 | VIM |
| 21 | M | 72 | NA | 46 | VIM |
| 22 | F | 78 | 20 | 84 | VIM |
| 23 | M | 80 | 40 | 77 | VIM |
| 24 | M | 62 | NA | 30.5 | VIM |
| 25 | F | 68 | 53 | 34.5 | VIM |
| 26 | F | 78 | 13 | 57 | VIM |
Patients with PD were assessed by Unified Parkinson’s Disease Rating Scale III (motor score off/on medication). Patients with ID and ET were evaluated off medication with the Fahn-Marsden Scale and Tremor Rating Scale, respectively. In PD, ID, and ET groups, age averaged 66 ± 2.5, 63 ± 3, and 73 ± 1.7 (±SEM) y old, respectively (nonsignificant difference). DBS target: GPi, VIM, and STN. M, male; F, female; NA, not available.