Characteristics of patients before surgery (n = 97)
| Patient characteristics | Value |
|---|---|
| Sex | |
| Male (n) | 65 |
| Female (n) | 32 |
| Age at surgery (mean±SD, years) | 57±8 |
| Age at onset of PD (mean±SD, years) | 43±9 |
| Duration of PD (mean±SD, years) | 14±5 |
| Duration of levodopa therapy (mean±SD, years) | 13±4 |
| Duration of levodopa induced dyskinesias | 6±4 |
| (mean±SD, years) |