A Polysomnographic Study of Parkinson’s Disease Sleep Architecture

Table 2

Multiple binary logistic regression models showing the independent association among demographic and clinical variables and sleep disorders of PD patients.

Variable	Adjusted OR	“” value
	(CI 95%)
OSA^a
Male	4.4 (1.2–15.8)	0.02
Disease duration < 5 years	4.4 (1.1–17.4)	0.04
	Nagelkerke = 0.30
PLMD^b
LED < 600 mg	6.7 (1.5–30.4)	0.02
	Nagelkerke = 0.20
RBD^c
≥60 years of age	3.8 (0.9–15.3)	0.06
MDS-UPDRS part III score ≥ 25	4.8 (1.2–18.9)	0.02
LED ≥ 1000 mg	11.9 (1.7–81.9)	0.01
	Nagelkerke = 0.30

^aOSA: obstructive sleep apnea; ^bPLMD: periodic limb movement disorder; ^cRBD: REM behavioral sleep disorder.