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Start date:
August 2015
End date:
Predicted June 2017
Co-ordinated by:
EMERGE team on behalf of University of Edinburgh and NHS Lothian
Main trial site:

The 4AT as a triage test for delirium: a validation study in acutely hospitalised older patients.


To determine the diagnostic accuracy of the 4AT for delirium versus the reference standard of a DSM-IV diagnosis

Trial Design

Patients undergo a standard delirium assessment, and either the 4AT or the Confusion Assessment Method (CAM). Clinical outcomes and resource utilisation are recorded at 12 weeks after admission.

Eligibility criteria

Patients aged over 70 admitted to the Emergency Department.

Chief Investigator

Professor Alasdair MacLullich

Professor of Geriatric Medicine

Research Team

Allan MacRaild

Senior Research Nurse

Jill Steven

Senior Research Nurse - 4AT study

Mia Paderanga

Senior Research Nurse

Megan McGrath

Senior Research Nurse

Emma Ward

Research Administrator

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