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Table 1 Characteristics and clinical data of participants

From: Validity of an under-mattress sensor for objective sleep measurement in critically ill patients: a prospective observational study

Total n = 11

Number or median

% or IQR

Male, n

8

72.7

Age, year

70.0

67.5 to 77.0

APACHE II on admission

18.0

15.5 to 22.5

Medical, n

1 (septic shock)

9.1

Perioperative, n

10

90.0

 Cardiovascular

9

 

 Hepatic resection

1

 

 Emergency

3 (all cardiovascular)

 

Length of MV, day

2.0

1.5 to 8.5

Length of ICU stay, day

7.0

5.5 to 13.0

28-day survival, n

10

90.9

Condition on sleep measurement

ICU day (day of admission = 1)

5.0

4.0 to 5.8

MV with intubation, n

4

36.4

Sedatives, n

5

45.5

 Dexmedetomidine

1

 

 Fentanyl

5

 

Sleep agent, n

5

45.5

 Ramelteon

1

 

 Suvorexant

4

 

Maximum RASS

  

 Daytime (06:00–20:59)

0.0

− 1.0 to 0.0

 Nighttime (21:00–05:99)

− 1.0

− 1.0 to − 0.5

Delirium, n

3

27.3

  1. Abbreviations: IQR 25–75% interquartile range, MV mechanical ventilation, RASS Richmond Agitation–Sedation Scale