Skip to main content

Table A1 Baseline characteristics of patients

From: Clinical review: Sleep measurement in critical care patients: research and clinical implications

Baseline characteristics

Results

Male, number (percentage)

11 (45.8)

Age in years, mean (SD)

64.3 (13.28)

APACHE II at study entry, mean (SD)

17.0 (3.55)

Actual body weight in kilograms, median (IQR)

67.0 (61.0; 72.5)

Ideal body weight in kilograms, mean (SD)

58.6 (6.70)

Body mass index, mean (SD)

24.8 (3.91)

Normal sleep duration in hours, mean (SD)

6.4 (1.81)

Time ventilated prior to study in days, mean (IQR)

15.0 (10.0; 20.5)

Time since sedation stopped prior to study in days, mean (SD)

7.0 (3.84)

Length of intensive care unit stay prior to study in days, median (IQR)

16.5 (11.5; 21.0)

Delirium at baseline, number (percentage)

5 (20.8)

Delirium at end of study, number (percentage)

4 (16.7)

Ventilated at baseline, number (percentage)

19 (79.2)

Ventilated at end of study, number (percentage)

14 (58.3)

  1. Results are presented as number and percentage, mean and standard deviation (SD), or median and interquartile range (IQR), as appropriate. APACHE II, Acute Physiology and Chronic Health Evaluation II.