UB-CAM: Ultra-Brief Confusion Assessment Method
2020UB-CAM is an app-directed, two-stage delirium-identification workflow. It moves from an ultra-brief first step to a more specific CAM-based assessment when needed.
Classification
A tool may belong to more than one category. Select a linked category to see other relevant profiles.
Tool and original sources
The tool or its official access page is linked below. Check the current terms before copying or adapting it.
Original paper
- Original paperMarcantonio ER, Fick DM, Jung Y, Inouye SK, Boltz M, Leslie DL, et al. Comparative Implementation of a Brief App-Directed Protocol for Delirium Identification by Hospitalists, Nurses, and Nursing Assistants : A Cohort Study. Annals of internal medicine. 2022;175(1):65-73. doi: 10.7326/M21-1687. PMID: 34748377.
This is the original published source for UB-CAM. It is the main source for the method, its intended use and the evidence available at publication.
At a glance
- Purpose
- Episodic assessment
- Population
- Adult
- Setting
- General / acute hospital
- Time
- <2 min
- Items
- 6
- Score or threshold
- A two-stage app-directed classification; see the authorised workflow.
Format: An app-directed, two-stage CAM-family workflow recording six elements and usually completed in under two minutes. The component tasks, branching logic and diagnostic rule are not reproduced here.
- Strengths: App-directed; nurses/assistants perform as well as physicians
- Limitations: Two-step; moderate sensitivity for mild delirium
Evidence
Reported sensitivity and specificity
Two-step protocol vs research reference standard, n=527.
More evidence and citation details
- Full name
- Ultra-Brief Confusion Assessment Method
- Also known as
- UB-CAM, Ultra-Brief CAM, app-directed CAM
- Evidence summary
- single
- Diagnostic-accuracy studies
- 1
- Reference standard
- Research reference standard
- Citation
- Marcantonio ER, Fick DM, Jung Y, Inouye SK, Boltz M, Leslie DL, Husser EK, Shrestha P, Moore A, Sulmonte K, Siuta J, Boustani M, Ngo LH Comparative Implementation of a Brief App-Directed Protocol for Delirium Identification by Hospitalists, Nurses, and Nursing Assistants : A Cohort Study Annals of internal medicine. 2022;175(1):65-73. PMID 34748377
Copyright and reuse
- Version
- Version 2 available from the official page when checked
- Rights holder
- Hospital Elder Life Program (CAM copyright); Aging Brain Center (permissions administrator); component notices require rights review
- Licence
- MIXED-RIGHTS-REVIEW-REQUIRED
- Information checked
- 2026-07-19
Instrument-specific terms apply. See the access and copyright policy or send a correction.
Sources checked 2026-07-29. How profiles are prepared.