ArticleDementia and geriatric cognitive disorders2020
New Delirium Severity Indicators: Generation and Internal Validation in the Better Assessment of Illness (BASIL) Study.
Article in Dementia and geriatric cognitive disorders, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Better Assessment of Illness Study (BASIL) II for Delirium Severity: Study Design, Variables, and Methods.Journal of geriatric psychiatry and neurology · 2026Article
- Harnessing the Power of Technology to Transform Delirium Severity Measurement in the Intensive Care Unit: Protocol for a Prospective Cohort Study.JMIR research protocols · 2025Article
- Assessing Delirium Severity in Dementia: Item Development and Psychometric Validation for a Delirium Severity Instrument.Journal of gerontological nursing · 2024Article
- The Validity and Applicability of the Revised Delirium Rating Scale (DRS-R98) for Delirium Severity Assessment in a Critical Care Setting.Journal of intensive care medicine · 2024Article
- Domains of delirium severity in Alzheimer's disease and related dementias.Journal of the American Geriatrics Society · 2022Article
- Psychometric Properties of a Delirium Severity Score for Older Adults and Association With Hospital and Posthospital Outcomes.JAMA network open · 2022Article
- Delirium Item Bank: Utilization to Evaluate and Create Delirium Instruments.Dementia and geriatric cognitive disorders · 2022Article
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Authors and funding
15 authors.
Funding
Abstract
backgroundDelirium is a common and preventable geriatric syndrome. Moving beyond the binary classification of delirium present/absent, delirium severity represents a potentially important outcome for evaluating preventive and treatment interventions and tracking the course of patients. Although several delirium severity assessment tools currently exist, most have been developed in the absence of advanced measurement methodology and have not been evaluated with rigorous validation studies.
objectiveWe aimed to report our development of new delirium severity items and the results of item reduction and selection activities guided by psychometric analysis of data derived from a field study.
methodsBuilding on our literature review of delirium instruments and expert panel process to identify domains of delirium severity, we adapted items from existing delirium severity instruments and generated new items. We then fielded these items among a sample of 352 older hospitalized patients.
resultsWe used an expert panel process and psychometric data analysis techniques to narrow a set of 303 potential items to 17 items for use in a new delirium severity instrument. The 17-item set demonstrated good internal validity and favorable psychometric characteristics relative to comparator instruments, including the Confusion Assessment Method - Severity (CAM-S) score, the Delirium Rating Scale Revised 98, and the Memorial Delirium Assessment Scale.
conclusionWe more fully conceptualized delirium severity and identified characteristics of an ideal delirium severity instrument. These characteristics include an instrument that is relatively quick to administer, is easy to use by raters with minimal training, and provides a severity rating with good content validity, high internal consistency reliability, and broad domain coverage across delirium symptoms. We anticipate these characteristics to be represented in the subsequent development of our final delirium severity instrument.
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