iCAM-ICU: intelligent Confusion Assessment Method for the Intensive Care Unit

2021

An information-technology-enabled CAM-ICU workflow evaluated with both nurse researchers and bedside nurses in China. It is a digital implementation version of CAM-ICU, not an independent delirium instrument family.

Classification

Episodic assessment Use in intensive care units

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Tool and original sources

This record describes a method rather than a downloadable bedside form. The main source is linked below.

Original paper

Original paperYang F, Ji M, Wu Y, Feng Y, Li J, Ren D, et al. Delirium screening for patients in the intensive care unit: A prospective validation study of the iCAM-ICU by nurse researchers and bedside nurses in routine practice. International journal of nursing studies. 2021;117:103886. doi: 10.1016/j.ijnurstu.2021.103886. PMID: 33631399.
This paper reports the original validation of iCAM-ICU. It reported sensitivity of 95.2% and specificity of 93.3% against independent expert delirium reference diagnosis.
Open PubMed ↗

One DTA study identifiedVersion or adaptation

At a glance

Purpose: Episodic assessment
Population: Adult
Setting: Intensive care
Time: embedded routine ICU assessment; exact completion time not reported in the validation abstract
Score or threshold: Positive iCAM-ICU classification according to the embedded CAM-ICU pathway

Format: iCAM-ICU standardises data collection and guides CAM-ICU classification electronically. Because it implements CAM-ICU, the exact feature prompts and decision logic should be obtained from authorised materials and the study source.

Evidence

Evidence maturityOne DTA study identified

Reported sensitivity and specificity

Headline metric source

Original/source study · 2021 — pmid:33631399

Denominator: Reported source unit: 181 (analysis unit not fully reconciled)
Reference standard: Independent expert delirium reference diagnosis

95.2%

Sensitivity

93.3%

Specificity

Earliest DTA evaluation identified in the current audit; see the linked source and methodological caveats.

More evidence and citation details

Full name: intelligent Confusion Assessment Method for the Intensive Care Unit
Also known as: integrated CAM-ICU
Related profiles: CAM-ICU
Evidence summary: single-prospective-two-phase-DTA
Diagnostic-accuracy studies: 1
Reference standard: Independent expert delirium reference diagnosis
Citation: Yang F, Ji M, Wu Y, Feng Y, Li J, Ren D, Ely EW Delirium screening for patients in the intensive care unit: A prospective validation study of the iCAM-ICU by nurse researchers and bedside nurses in routine practice International journal of nursing studies. 2021;117:103886. PMID 33631399

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Information checked: 2026-07-19

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Sources checked 2026-07-29. How profiles are prepared.