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CHART-DEL — Chart-based Delirium Identification Instrument

2005

A validated method for identifying delirium retrospectively from the medical record, for quality-improvement and research where prospective assessment is impossible. Far more sensitive than administrative (ICD) codes, but not intended for individual patient diagnosis.

Diagnostic assessment (episodic)Single validation study
74%
Sensitivity*
83%
Specificity*
n=919
Sample
Full nameChart-based Delirium Identification Instrument
Also known asCHART-DEL, chart-based delirium instrument, Chart-DEL
PurposeDiagnostic assessment (episodic)
PopulationAdult
SettingGeneral / acute hospital
Items
Administrationvariable
EvidenceSingle validation study
Reference typeOriginal validation study
Reference standardInterviewer CAM
Validation samplen = 919
Cut-off / scoringChart-review algorithm
ReliabilityAgreement 82%, κ 0.41
Strengths Retrospective identification for QI/research; far better than ICD codes
Limitations Not for individual patient diagnosis
ReferenceInouye SK, Leo-Summers L, Zhang Y, Bogardus ST, Leslie DL, Agostini JV. A chart-based method for identification of delirium: validation compared with interviewer ratings using the confusion assessment method. J Am Geriatr Soc. 2005;53(2):312-8. PMID 15673358

* Where shown, sensitivity/specificity are from the cited validation cohort and are not pooled estimates. Citation metadata was checked against PubMed or the publisher DOI record; a checked reference does not imply validation, study quality or endorsement. See the Methodology.