Table 1.

Sample Characteristics

	All Patients	ICB Subgroups
		ICB	No ICB	p-value
Sample Size	38	19	19
Age (yrs)	62.1 (7.0)	60.9 (5.6)	63.2 (8.1)	>.10
Gender (M:F)	19:19	10:9	9:10	>.10
Education (yrs)	16.6 (2.6)	16.8 (2.3)	16.4 (2.9)	>.10
MMSE	28.8 (1.5)	28.8 (1.5)	28.8 (1.5)	>.10
Disease Duration (yrs)	7.6 (5.9)	9.4 (6.8)	5.9 (4.3)	.06
UPDRS Motor Score	16.8 (8.1)	18.4 (7.4)	15.3 (8.6)	>.10
Agonist LEDD (mg)	247 (138)	277 (145)	218 (128)	>.10
Agonist Duration (yrs)	3.7 (3.6)	4.6 (4.0)	2.8 (2.9)	>.10
Daily Levodopa (mg)	--	584 (270) (n = 13)	618 (220) (n = 10)	>.10

MMSE = Mini-Mental Status Exam; UPDRS = Unified Parkinson’s Disease Rating Scale; LEDD = Levodopa Equivalent Daily Dosage (in mg); ICB = Impulse-Compulsive Behaviors