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Table 12 Means and mean rank sums for the domain on sleep—Comparison between ICU survivors and controls at the time of completing the questionnaire

From: Long-term health-related quality of life and burden of disease after intensive care: development of a patient-reported outcome measure

  Issues Mean Mean rank sum p-value
ICU
Survivors
Controls ICU
Survivors
Controls
Sleep1 Need for daytime nap 2.21 1.62 313.56 238.38 0.000
Sleep2 Difficulties going to sleep 1.98 1.61 304.12 258.43 0.001
Sleep3 Need for sleeping pills 1.91 1.29 308.91 250.48 0.000
Sleep4 Anxiety before going to sleep 1.39 1.10 300.85 256.46 0.000
Sleep5 Difficulties going back to sleep 2.04 1.91 290.62 284.26 0.641
Sleep6 Night-time worrying 1.73 1.61 289.78 285.93 0.772
Sleep7 Nightmares 1.38 1.17 301.10 263.29 0.000
Sleep8 Nightly sweats disturbing sleep 1.41 1.33 291.80 278.94 0.251
Sleep9 Heart palpitations disturbing sleep 1.18 1.10 288.00 276.18 0.138
Sleep10 Sleep problems affecting QoL 2.16 1.66 235.99 184.82 0.000
Sleep11 Worrying about sleep 1.59 1.39 295.30 270.40 0.027