Lesion location | Patients | Preoperative UPDRS 3 off phase score | Change score | ||||||
---|---|---|---|---|---|---|---|---|---|
Score | Range | Score | Range | ||||||
GPi | 2 | 44.5 | 24/65 | 15 | 6/24 | ||||
GPe | 2 | 43 | 42/44 | 19 | 15/23 | ||||
Putamen | 1 | 19 | — | 8 | — | ||||
GPi and GPe | 11 | 56 | 38/81 | 19 | 1/32 | ||||
GPi, GPe, and putamen | 2 | 72 | 53/91 | 23.5 | 15/32 | ||||
GPe and putamen | 1 | 43 | — | 18 | — | ||||
GPi, GPe, and IC | 1 | 47 | — | −13 | — | ||||
No lesion visible | 4 | 51 | 44/63 | 18 | 7/27 |
GPi=Internal segment of the globus pallidus; GPe=external segment of the globus pallidus; IC=internal capsule; minus sign indicates deterioration.