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DCQ: Delirium Caregiver Questionnaire

2021

A staged caregiver telephone-triage questionnaire with a seven-item form and a three-item short option. It was designed for older outpatients with cognitive impairment rather than bedside hospital assessment.

At a glance

Purpose
Episodic assessment
Population
Older outpatients with cognitive impairment and their caregivers
Setting
Outpatient / remote
Time
<2 min
Score or threshold
Staged triage decision rather than a simple summed threshold

Primary validation papers

0 identified diagnostic-accuracy papers

Other forms of validation are described in the evidence section. What is counted?

Large-scale clinical implementation

Not yet reviewed.

A focused implementation review has not yet been completed for this profile.

Training and instructions

Public training resources have not yet been confirmed in this review. Check the linked developer or original source for instructions.

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Tool and original sources

A source for the tool or its access information is linked below. Check the version and current terms before use, copying or adaptation.

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Original paper

  • Principal sourceLuijendijk HJ, Quispel-Aggenbach DWP, Stroomer-van Wijk AJM, Meijerink-Blom AH, van Walbeek A, Zuidema SU. A short delirium caregiver questionnaire for triage of elderly outpatients with cognitive impairment: a development and test accuracy study. International psychogeriatrics. 2021;33(1):31-37. doi: 10.1017/S1041610219001595. PMID: 31658916.

    This is the principal published source for DCQ. It is the main source for the method, its intended use and the evidence available at publication.

    Open PubMed ↗Download article PDF ↓

    Article PDF: CC BY. This licence applies to the article PDF and does not grant rights to reproduce the tool.

No eligible DTA study identifiedRelated context
Classification

Classification

Episodic assessmentInformant tools

A tool may belong to more than one category. Select a linked category to see other relevant profiles.

Evidence

Diagnostic-accuracy evidenceNo eligible DTA study identified

Reported sensitivity and specificity

73.5% (7-item); 79.6% (3-item analysis)
Sensitivity
73.5% (7-item); 70.8% (3-item analysis)
Specificity

Single outpatient development and accuracy study; the shorter estimate depended on complete symptom information.

More evidence and citation details
Full name
Delirium Caregiver Questionnaire
Evidence summary
single-DTA
Citation
Luijendijk HJ, Quispel-Aggenbach DWP, Stroomer-van Wijk AJM, Meijerink-Blom AH, van Walbeek A, Zuidema SU A short delirium caregiver questionnaire for triage of elderly outpatients with cognitive impairment: a development and test accuracy study International Psychogeriatrics. 2021;33(1):31-37. PMID 31658916
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Primary validation studies

Distinct primary publications from the current diagnostic-accuracy audit. Reviews and repeated evaluations within one paper are not counted again. Overlapping cohorts have not all been reconciled. Read the counting rules and limitations.

No eligible diagnostic-accuracy paper is currently included in this audit. This does not mean the tool has never been validated. The source paper and other evidence on this profile may concern severity, reliability or another measurement purpose.

Copyright and reuse
Version
Final seven-item Delirium Caregiver Questionnaire (published 2021)
Rights holder
International Psychogeriatric Association (article copyright statement)
Licence
CC-BY-4.0 ↗
Information checked
2026-07-19

Instrument-specific terms apply. See the access and copyright policy or send a correction.

Base clinical review: 2026-07-29. Instrument description source check: 2026-09-05. Scope and limitations.