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.

Classification

Episodic assessment Informant tools

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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.
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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

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

Evidence

Evidence maturityNo 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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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

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