Prevalence and Clinical Characteristics of Probable REM Behavior Disorder in Thai Parkinson’s Disease Patients

Table 3

Comparison of characteristics between PD with low and high LED.

Variables	Levodopa equivalent dose (LED)		value
	Less than 600 mg/day	600 mg/day or more
pRBD: n (%)	23 (33.9%)	45 (66.1%)	<0.01
Hoehn and Yahr stage: stages 3 and 4: n (%)	14 (24.5%)	39 (73.6%)	<0.01
Orthostatic hypotension: n (%)	6 (20.0%)	24 (80.0%)	<0.01
Motor fluctuation: n (%)	19 (33.9%)	37 (66.1%)	0.03