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Table 2 Performance of nurses’ informal delirium ratings pre and post-test*

From: Screening, detection and management of delirium in the emergency department – a pilot study on the feasibility of a new algorithm for use in older emergency department patients: the modified Confusion Assessment Method for the Emergency Department (mCAM-ED)

Pre test

Post-test

 

Gold standard°

  

Gold standard°

 

Nurses’ ratings

Delirium

No Delirium

Total

Nurses’ ratings

Delirium

No delirium

Total

Delirium

3

0

3

Delirium

2

7

9

No delirium

8

59

67

No delirium

3

108

111

Total

11

59

70

Total

5

115

120

Sensitivity: 0.27

Sensitivity: 0.40

Specificity: 0.98

Specificity: 0.94

  1. *In the post-test period ED nurses were interviewed to informally rate prevalence of delirium before they conducted a formal mCAM-ED assessment.
  2. °The research assistants’ mCAM-ED ratings, confirmed by the senior emergency physician’s re-assessment served as gold standard.