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Table 1 Main characteristics of included patients

From: Impact of earplugs and eye mask on sleep in critically ill patients: a prospective randomized study

 

Control group (n = 31)

Intervention group (n = 30)

p Value

Patient characteristics

 Age, years

65 (58–74)

64 (54–74)

0.99

 Sex, male, n (%)

18 (58)

20 (67)

0.48

 SAPS II score

45 (27–65)

42 (26–60)

0.60

 Charlson comorbidity index score

4 (3–6)

4 (2–5)

0.30

Main reasons for ICU admission, n (%)

 Acute respiratory failure

23 (74)

20 (67)

0.71

 Pneumonia/pleural effusion

11

8

 

  Chronic respiratory disease

4

7

 

  Cardiogenic pulmonary edema

5

3

 

  Neuromuscular disease

2

0

 

  Vascular disease

1

2

 

 Postoperative care/trauma, n (%)

3 (10)

4 (13)

0.96

 Metabolic, n (%)

3 (10)

4 (13)

0.96

 Nonrespiratory sepsis, n (%)

2 (6)

2 (7)

0.63

Prior to inclusion

 Days of sedation

3 (2–8)

4 (2–7)

0.30

 Time from end of sedation to inclusion, days

3 (0–4)

1 (0–4)

0.49

On inclusion

 RASS

0 (0–0)

0 (0–0)

0.19

 Comfort score, VAS

60 (50–80)

70 (50–80)

0.92

 Physiologic variables

   

  Temperature, °C

37.1 (36.9–37.4)

37.1 (36.2–37.6)

0.66

  Heart rate, beats/minute

98 (83–116)

86 (76–108)

0.29

  Systolic blood pressure, mmHg

115 (106–140)

130 (121–134)

0.19

  Respiratory rate, breaths/minute

22 (20–25)

19 (16–25)

0.18

 Analgesic treatment, n (%)

17 (55)

11 (37)

0.15

 Mechanical ventilation

6 (19)

5 (17)

0.35

  Invasive ventilation, n (%)

6 (19)

3 (10)

 

  Noninvasive ventilation, n (%)

0

2 (7)

 
  1. RASS Richmond Agitation-Sedation Scale, SAPS II Simplified Acute Physiology Score II, ICU Intensive care unit, VAS Visual analogue scale (0 = maximal discomfort, 100 = maximal comfort)
  2. Results are expressed as median (interquartile range) or frequency (%)