Table 3.

Motor Outcomes for Unilateral and Bilateral STN DBS Patients

		Baseline (X±SD)	24 Month (X±SD)	p-value
Bilateral (N =28 )
Total UPDRS		75.9 ± 16.7	61.5 ± 12.9	0.0007*
Part 1		2.7 ± 2.2	2.9 ± 2.3	0.9098
Part 2 OFF		25.6 ± 6.6	17.2 ± 3.8	0.0076*
Part 2 ON		9.3 ± 5.5	9.2 ± 3.0	0.9645
Part 3 OFF		40.0 ± 11.8	24.2 ± 9.8	0.0086*
Part 3 ON		13.3 ± 8.5	13.7 ± 8.3	0.5196
Part 4		8.2 ± 2.6	3.5 ± 1.7	<0.0001*
Unilateral (N =54 )
Total UPDRS		69.0 ± 14.4	56.8 ± 15.5	0.0004*
Part 1		2.6 ± 1.6	3.3 ± 2.3	0.4489
Part 2 OFF		23.7 ± 5.8	20.0 ± 6.7	0.0325*
Part 2 ON		8.6 ± 4.9	9.4 ± 6.4	0.1787
Part 3 OFF		34.8 ± 9.8	24.4 ± 8.9	0.0104*
Part 3 ON		12.4 ± 6.9	12.4 ± 6.9	0.1250
Part 4		8.2 ± 2.5	3.8 ± 1.4	<0.0001*