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Table 3 Summary of wearable-reported and RCSQ sleep parameters

From: Use of wearable devices for post-discharge monitoring of ICU patients: a feasibility study

  Median (IQR)
Wearable
 Total sleep duration, hours 6.6 (2.7–13.5)
 Asleep time, hours 6.1 (2.6–12.5)
 Restless count 7 (2.5–19.0)
 Sleep quality A 45.8 (38.0–63.5)
 # Sleep periods 2 (1.0–4.0)
 22:00–6:00 sleep as % of total 50% (15–80%)
 % of 22:00–6:00 asleep 48% (3–84%)
RCSQ
 Mean score 5.7 (2.7–8.0)
  1. Sleep depth 5 (3.2–7.6)
  2. Sleep latency 6.2 (2.7–8.9)
  3. Awakening 5 (2.6–8.6)
  4. Returning to sleep 6.4 (2.1–9.1)
  5. Sleep quality 5.7 (1.6–8.6)
  1. RCSQ Richards-Campbell Sleep Questionnaire