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

Table 3

The correlations between the test scores at the preoperative baseline and the 12-month change scores of quality of life (N = 93).

	PDQ-8 SI change score
	r
PDQ-8 SI	0.80	<0.001
Baseline NMSS domains
Cardiovascular	0.22	0.032
Sleep/fatigue	0.33	0.001
Mood/cognition	0.49	<0.001
Perceptual problems/hallucinations	0.36	<0.001
Attention/memory	0.22	0.031
Gastrointestinal	0.36	<0.001
Urinary	0.27	0.010
Sexual function	0.11	0.291
Miscellaneous	0.18	0.090
NMSS total score	0.46	<0.001

indicates , indicates , indicates .