Table 5.

Estimates of sleep parameters per percent missed or shortened dialysis

Sleep CharacteristicCross-sectional Estimate (per 10% Missed Dialysis)PLongitudinal Estimate (per 10% Missed Dialysis)P
Rest (min/day)−7.6 (−29.8, 14.6)0.50.7 (−2.4, 3.7)0.7
Sleep (min/day)−23.1 (−39.8, −6.3)<0.011.0 (−1.2, 3.2)0.4
Sleeping during rest (%)−4.1 (−6.7, −1.4)<0.010.2 (−0.1, 0.5)0.3
Sleep efficiency (%)−5.1 (−8.2, −1.9)<0.010.3 (−0.1, 0.7)0.1
Fragmentation index (%)3.4 (0.9, 5.8)<0.01−0.1 (−0.4, 0.2)0.4
Sleep quality (KDQOL score)−5.5 (−8.4, −2.5)<0.0010.6 (0.1, 1.0)<0.01