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Table 6 Polysomnographic Measures of Nocturnal Sleep and Daytime Sleepiness

From: Nocturnal sleep, daytime sleepiness, and quality of life in stable patients on hemodialysis

Variable

Mean (SD)

Median

Total Sleep Time (minutes)

335.8 (64.8)

343.0

Sleep Efficiency (%)

78.2 (14.0)

82.4

Sleep Latency (minutes)

31.1 (37.6)

15.9

RDI (events/hour)

13.1 (20.4)

5.4

PLMI (events/hour)

23.0 (36.7)

5.5

PLMs with arousals (events/hour)

9.3 (13.2)

2.4

BAI (events/hour)

30.9 (24.2)

21.1

Mean Sleep Latency (min)

10.2 (4.2)

10.3

  1. RDI = respiratory disturbance index, PLMI = periodic limb movement index, PLMs = periodic limb movements, BAI = brief arousal index