Standardised Neuropsychological Assessment for the Selection of Patients Undergoing DBS for Parkinson’s Disease

Table 4

Cognitive performance before DBS: proportion impaired in each domain.

Cognitive domain	STN ()	GPi ()
Screen	1, 3.7%	5, 41.7%	0.01
IQ	12, 42.9%	8, 66.7%	0.30
Memory	9, 33.3%	9, 75.0%	0.04
Language	1, 3.7%	3, 27.3%	0.07
Perception	2, 7.4%	1, 8.3%	1.00
Attention	5, 18.5%	4, 33.3%	0.42
Executive function	4, 14.8%	8, 66.7%	0.01
Speed	2, 7.4%	4, 36.4%	0.05

Results are given as number and percentage. Chi-squared significant group comparisons are indicated in bold.