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Table 2 Sleep outcomes: subjective reports

From: Characterisation of sleep in intensive care using 24-hour polysomnography: anobservational study

Outcomes Patients (n = 48)
ISIascore, median (IQRb) 6.00 (1.00-13.75)
ISI score ≥15, n (%) 10 (21)
Sleep quality pre-hospitalisation, median (IQR), 1-10 8.00 (5.00-9.00)
  Patients (n = 40)
Total RCSQcscore in ICU, median (IQR), mm 57.50 (32.00-70.00)
  Patients (n = 45)
Total RCSQ score in ward, median (IQR), mm 57.40 (36.70-74.40)d
  Patients (n = 43)
Sleep disturbing factors (SICQe), mean(SDf), 1-10  
Noise 5.70 (2.75)
Nursing interventions 5.05 (2.44)
Light 5.15 (2.61)
Diagnostic testing 4.49 (2.67)
Vital signs 4.25 (2.12)
Blood samples 4.01 (2.20)
Administration of medications 3.84 (2.12)
  1. aISI, Insomnia Severity Index; bIQR,interquartile range = standard deviation; cRCSQ, RichardsCampbell Sleep Questionnaire; drelated samples Wilcoxonsigned ranks test comparing total RCSQ ICU and ward scores P = 0.61,eSICQ, Sleep in Intensive Care Questionnaire;f SD, standard deviation.