Table 5 Characteristics of patients with Parkinson’s disease (PD).
Characteristics | Median (min–max) |
|---|---|
Age (years) | 66 (59–69) |
Sex | 9 men, 1 woman |
Disease duration (years) | 18 (10–22) |
Medication as l-dopa equivalent dose (mg/day) a | 416 (294–989) |
DBS treatment duration (months) | 37 (15–70) |
DBS pulse settings | |
Right | |
Amplitude (V) | 3.3 (2.5–4.3) |
Pulse width (µs) | 60 (60–90) |
Frequency (Hz) | 145 (100–185) |
Left | |
Amplitude (V) | 3.4 (2.2–4.3) |
Pulse width (µs) | 60 (60–90) |
Frequency (Hz) | 130 (100–185) |
Positions of negative polarity contacts with reference to the intercommissural line midpoint | |
Right (mm) | |
Lateral | 11.7 (10.4–13.1) |
Posterior | 3.4 (3.0–4.0) |
Inferior | 2.1 (1.0–5.6) |
Left (mm) | |
Lateral | 11.4 (9.6–13.0) |
Posterior | 3.5 (3.3–5.2) |
Inferior | 2.6 (1.2–4.2) |
Intercommissural line (mm) | 24.8 (23.5–25.6) |
UPDRS part III scores in anti-PD medication OFF stateb | |
DBS OFF | |
Item 20 and 21 (tremor) | 2.3 (0–8.1) |
Total score | 41.0 (35.0–83.5) |
DBS ON | |
Item 20 and 21 (tremor) | 0 (0–0) |
Total score | 21.5 (11.0–30.5) |
Berg balance scale in anti-PD medication OFF stateb | |
DBS OFF | 42 (27–50) |
DBS ON | 50 (41–52) |
A history of falls during the past 6 months, n (%) | 7 (70%) |