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Table 1 Characteristics of patient population (N = 122)

From: Association of intensive care unit delirium with sleep disturbance and functional disability after critical illness: an observational cohort study

Characteristic

Mean (SD) or  %

Age in years

65.5 (15.6)

Gender

50.0% male

Race

87.7% white/Caucasian

APACHEII

18.8 (5.3)

Primary reason for ICU admission

 Acute respiratory failure/pulmonary edema

33.6%

 Pulmonary embolism

4.1%

 Sepsis/shock

28.7%

 Pneumonia

3.3%

 Acute kidney failure

2.5%

 Gastrointestinal bleed

12.3%

 DKA/HHS

2.5%

 Severe metabolic derangement

5.7%

 Alcohol withdrawal/drug overdose

2.4%

 Other

4.9%

Infection

36.1%

Respiratory distress

45.9%

Medications in ICU*

 

 Opioids

56 (46%)

 Benzodiazepines

47 (39%)

 Propofol

16 (13%)

Delirium Source

 

 CAM by research staff

3%

 Chart review

82%

 CAM and chart review

15%

ICU LOS in days

4.2 (3.4)

Hospital LOS in days

10.4 (8.9)

% Mechanically ventilated

15.6%

Delirium:  % of patients with delirium

36%

Delirium: Mean total days of delirium

2.9 (3.4)

  1. APACHE II Acute Physiology and Chronic Health Evaluation II, CAM Confusion Assessment Method, DKA/HHS diabetic ketoacidosis/hyperosmolar hyperglycemic syndrome, ICU intensive care unit, LOS length of stay
  2. *Opioids refers to receipt of fentanyl, morphine, or hydromorphone; benzodiazepines refers to receipt of lorazepam or midazolam