Table 1:

Demographic, clinical, and deep brain stimulation information for the patient group

CharacteristicDBS Programming Information
LeftRight
Age at surgery (yr)42.9 (7–83)Frequency (Hz)105.8 (±45.1)Frequency (Hz)108.1 (±45.5)
Sex (M/F)21:18Pulse width (μs)216.9 (±99.4)Pulse width (μs)219.8 (±110.9)
Age of onset (yr)31.1 (2–65)Voltage (V)2.9 (±0.7)Voltage (V)2.8 (±0.6)
Disease duration before DBS (yr)14.3 (±14.0)Impedance (Ω; n = 35)1066.6 (±355.0)Impedance (Ω; n = 35)1129.5 (±532.6)
Follow-up period after DBS (mo)13.4 (±6.6)No. (%) leads in bipolar modea17 (43.6%)No. (%) leads in bipolar modea19 (48.7%)
Positive for DYT1 mutation9
Baseline UDRS33 (±23.3)
Postoperative UDRS14.6 (±15)
UDRS improvement (%)53.2% (±34.5%)
Nonresponders (No.) (%) ≤25% improvement7 (17.9%)
  • a Patients programmed with bilateral bipolar configuration (n = 13).