3D-CAM — 3D-CAM

2014

A 3-minute structured interview that operationalises all four CAM features; strong accuracy including in patients with dementia.

Diagnostic assessment (episodic)Severity measurementPooled diagnostic-accuracy evidence

95%

Sensitivity*

94%

Specificity*

n=201

Sample

Full name3D-CAM

Also known as3-minute CAM, 3 minute diagnostic CAM

PurposeDiagnostic assessment (episodic), Severity measurement

PopulationAdult

SettingGeneral / acute hospital

Items22

Administration~3 min

EvidencePooled diagnostic-accuracy evidence

Reference typeOriginal validation study

Reference standardExpert panel

Validation samplen = 201

Cut-off / scoringOperationalised CAM algorithm

Strengths＋ Operationalises all four CAM features in ~3 min; strong in dementia

Limitations− Longer than ultra-brief screens

ReferenceMarcantonio ER, Ngo LH, O'Connor M, et al. 3D-CAM: derivation and validation of a 3-minute diagnostic interview for CAM-defined delirium. Ann Intern Med. 2014;161(8):554-61. PMID 25329203

Download RIS Download BibTeX DOI ↗ Original validation study ↗Official source ↗

Key studies

Diagnostic-accuracy meta-analysis (Ma 2023)

* Where shown, sensitivity/specificity are from the cited validation cohort and are not pooled estimates. Citation metadata was checked against PubMed or the publisher DOI record; a checked reference does not imply validation, study quality or endorsement. See the Methodology.