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
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.
Patients aged over 70 admitted to the Emergency Department.