Table 5.

Results of a simple regression analysis for the Parkinson’s Disease Quality of Life Score

	P-value	R 2
New questionnaire	<0.001	0.366
K-MMSE	0.746	0.002
HY stage	0.003	0.162
SEADL	<0.001	0.280
UPDRS	<0.001	0.232
Mentation’	0.005	0.150
ADL’	<0.001	0.335
Motor’	0.035	0.088
Complications’	<0.001	0.247
BDI	0.002	0.181
ADQ	0.011	0.128
FSS	0.238	0.030

K-MMSE Korean Mini-Mental Status Examination, HY Hoehn and Yahr, SEADL Schwab and England ADL, UPDRS Unified Parkinson’s Disease Rating Scale, ADL Activities of Daily Living, BDI Beck’s Depression Inventory, ADQ Autonomic Dysfunction Questionnaire, FSS Fatigue Severity Scale