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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