Table 3. Sleep Disorders of the Subjects on Hemodialysis According to Presence/Absence of Restless Leg Syndrome ^a.

Variables	Patients With RLS, No. (%)	Patients Without RLS, No. (%)	P- value	OR (CI 95)
Day time sleepiness (ESS < 12)	58 (46)	38 (14)	0.001	5.2 (3.2- 8.5)
Insomnia (ISI < 13)	55 (43.7)	45 (16.6)	0.001	3.89 (2.4 - 6.2)
Decreased sleep quality (PSQI > 8)	96 (76.2)	94 (34.6)	0.001	6.02 (3.7 - 9.7)

^a Abbreviations: ESS: Epworth Sleepiness Scale, ISI: Insomnia Severity Index, PSQI: Pittsburgh Sleep Quality Index, RLS: Restless Leg Syndrome.