Table 1.

Clinical characteristics and demographic information for patients with Parkinson’s disease

Parkinson’s disease (N = 15)			Mean (SD)	P
Age (years)			57.13 (6.40)
Education (years)			13.96 (2.52)
Disease Duration (years)			14.93 (4.18)
Time since surgery (months)			16 (15.69)
Unified Parkinson’s Disease Rating Scale (off med, DBS on) (n = 14)			18.46 (13.1)	<0.001
Unified Parkinson’s Disease Rating Scale (off med, DBS off) (n = 14)			40.11 (17.81)
	Right (n = 15)	Voltage (V)	3.02 (0.66)
		pulse width (ms)	60 (0)
Stimulation		frequency (Hz)	136 (16.28)
parameters	Left (n = 15)	Voltage (V)	3.15 (0.62)
		pulse width (ms)	64 (10.56)
		frequency (Hz)	139.67 (20.48)