Table 2

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

*In the post-test period ED nurses were interviewed to informally rate prevalence of delirium before they conducted a formal mCAM-ED assessment.

°The research assistants’ mCAM-ED ratings, confirmed by the senior emergency physician’s re-assessment served as gold standard.

Grossmann et al.

Grossmann et al. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2014 22:19   doi:10.1186/1757-7241-22-19

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