Table 2: Multivariate logistic regression analysis of factors for PD patients with RLS.

VariablesRegression coefficientOR value95% CI value

UPDRS III0.0311.0320.982~1.0840.212
PRBD1.5434.6781.372~15.9440.014
HAMD score0.0891.0941.002~1.1930.045
Daily LED0.0031.0031.000~1.0050.019

PD = Parkinson’s disease; RLS = restless leg syndrome; UPDRS III = unified Parkinson’s disease rating scale III; PRBD = probable rapid eye movement sleep behavior disorder; HAMD = Hamilton depression scale; daily LED = daily levodopa equivalent dose; tips for risk factor, in PRBD, daily LED, and the HAMD scores.