Preoperative Attention/Memory Problem Affects the Quality of Life of Parkinson’s Disease Patients after Deep Brain Stimulation: A Cohort Study

Table 4

Multivariate linear regression analysis of QoL variation (N = 93).

Variables	B	SE	β	t
Constant	−0.789	0.850	—	−0.928	0.356
PDQ-8 SIbaseline	0.869	0.068	0.869	12.730	<0.001
Cardiovascularbaseline		—	0.027	0.405	0.687
Sleep/fatiguebaseline	—	—	0.089	1.335	0.185
Mood/cognitionbaseline	—	—	0.070	0.869	0.387
Perceptual problems/hallucinationsbaseline	—	—	0.130	1.943	0.055
Attention/memorybaseline	−0.130	0.057	−0.154	−2.262	0.026
Gastrointestinalbaseline	—	—	0.056	0.832	0.407
Urinarybaseline	—	—	0.037	0.556	0.580
NMSS total scorebaseline	—	—	0.092	1.064	0.290

R² = 0.662, adjusted R² = 0.654, and D-W = 1.902. Residuals are independent. F = 5.115 and . indicates , indicates .