CAM

Confusion Assessment Method

Domain
Cognitive
Items
4 features
Rater
Clinician-rated

Cutoffs

BandScore
Delirium1+2 + (3 or 4)

Diagnostic performance

Sensitivity
0.94
Specificity
0.89
AUC / note

Clinical notes

Acute onset + inattention required; 4AT is briefer for ED/inpatient screen.

Cutoffs and performance figures are pooled or landmark estimates and vary by population and comparator. Use only with appropriate clinical training. Not a diagnostic algorithm.