. Author manuscript; available in PMC: 2010 May 1.

Published in final edited form as: Surg Neurol. 2008 Jun 2;71(5):551–558. doi: 10.1016/j.surneu.2008.03.039

Table 3.

Neurological Outcome on Short and Long-Term Follow-up for Unilateral Pallidotomy Patients (n=18)

Measure	Baseline	Short-term Follow-up^{^}	Long-term Follow-up⁺	p
Measure	Mean (SD)	Mean (SD)	Mean (SD)	p

H & Y Staging (I–V)
“On”	2.5 (2–4)	2.0 (0–4)	2.5 (0–4	.002^*
“Off”	4.00 (3–5)	3.0 (2–5)	3.0 (2–5)	.001^*

UPDRS Total (0–199)
“On”	49.2 (9.2)	27.4 (12.4)	43.1 (22.6)	.001^*
“Off”	93.9 (13.6)	58.8 (14.8)	70.9 (18.0)	.001^*

UPDRS Motor (0–144)
“On”	32.2 (7.1)	17.9 (9.4)	27.3 (14.8)	.001^*
“Off”	58.3 (10.4)	37.2 (10.3)	44.3 (12.4)	.001^*

UPDRS ADL (0–51)
“On”	15.6 (4.5)	9.1 (3.2)	14.3 (7.3)	.001^*
“Off”	31.6 (3.7)	19.2 (4.7)	23.8 (6.8)	.001^*

UPDRS Dyskinesias
Duration (Median)	2.0 (Range 1–3)	1.0 (Range 0–2)	1.0 (Range 0–4)	.001^*
Disability (Median)	2.0 (Range 1–3)	0.5 (Range 0–2)	0.5 (Range 0–4)	.001^*

ADL=activities of daily living; H&Y=Hoehn and Yahr Staging, higher number indicates more impairment; UPDRS=United Parkinson’s disease Rating Scale, higher number indicates more impairment.

p<.01;

^{^}

Mean = 5.3 months; SD = 2.7 months;

⁺

Mean = 5.1 years, SD = 1.9 years