I-AGeD: Informant Assessment of Geriatric Delirium
2013Caregiver-completed questionnaire to support recognition of delirium on admission in geriatric patients.
Classification
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Tool and original sources
No direct copy is linked here. The original paper and a Google Images search are available below. Image results may be unofficial; check the version and source before use.
Original and selected diagnostic-accuracy papers
- Original paperH.F.M. Rhodius-Meester, J.P.C.M. van Campen, W. Fung, D.J. Meagher, B.C. van Munster, J.F.M. de Jonghe. Development and validation of the Informant Assessment of Geriatric Delirium Scale (I-AGeD). Recognition of delirium in geriatric patients. European Geriatric Medicine. 2013. doi: 10.1016/j.eurger.2012.11.006.
This paper reports the development and initial validation of I-AGeD. It is the main source for the method, its intended use and the evidence available at publication.
- Selected diagnostic-accuracy studyUrfer Dettwiler P, Zúñiga F, Bachnick S, Gehri B, de Jonghe JFM, Hasemann W. Detecting delirium in nursing home residents using the Informant Assessment of Geriatric Delirium (I-AGeD): a validation pilot study. European geriatric medicine. 2022;13(4):917-931. doi: 10.1007/s41999-022-00612-w. PMID: 35143027.
This diagnostic-accuracy study evaluated I-AGeD in single-centre nursing-home validation pilot against a DSM-5 clinical assessment. It reported sensitivity of 60% and specificity of 94% in 85 nursing-home residents.
Article PDF: CC BY. This licence applies to the article PDF and does not grant rights to reproduce the tool.
At a glance
- Purpose
- Episodic assessment
- Population
- Adult
- Setting
- General / acute hospital
- Time
- variable
- Items
- 10
- Score or threshold
- I-AGeD >4
Format: The instrument records 10 scored items or observations. This site classifies it under episodic assessment and informant tools. It is intended for adult use in General / acute hospital. The stated administration time is variable. The published result is recorded using I-AGeD >4.
Evidence
Reported sensitivity and specificity
Construction cohort, cut-off >4; 100% sensitivity in those without dementia.
More evidence and citation details
- Full name
- Informant Assessment of Geriatric Delirium
- Also known as
- I-AGeD
- Evidence summary
- multi
- Diagnostic-accuracy studies
- 5
- Reference standard
- Geriatric-resident DSM-IV admission diagnosis, double-checked by geriatrician/research coordinator using clinical information over the first 48 hours
- Citation
- H.F.M. Rhodius-Meester, J.P.C.M. van Campen, W. Fung, D.J. Meagher, B.C. van Munster, J.F.M. de Jonghe Development and validation of the Informant Assessment of Geriatric Delirium Scale (I-AGeD). Recognition of delirium in geriatric patients European Geriatric Medicine. 2013;4(2):73-77. doi:10.1016/j.eurger.2012.11.006
Copyright and reuse
- 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.