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Derivation and validation of the detection of indicators and vulnerabilities for emergency room trips scale for classifying the risk of emergency department use in frail community-dwelling older adults.

Abstract：

OBJECTIVES:To develop and validate a prognostic case finding tool that classifies the risk of emergency department (ED) use in an older home care population. DESIGN:Population-based retrospective cohort study using routinely collected data from home care clinical assessments linked prospectively to ED records. SETTING:Ontario and the Winnipeg Regional Health Authority, Canada. PARTICIPANTS:Older adults living at home and expected to receive in-home services for at least 60 days (N = 361,942). MEASUREMENTS:One or more ED visits within 6 months after an in-home clinical assessment was used as the main dependent measure. Ninety-five person-level risk measures from a clinical assessment instrument were selected as potential independent variables. The Detection of Indicators and Vulnerabilities for Emergency Room Trips (DIVERT) Scale was derived using recursive partitioning analyses informed by a multinational clinical panel. RESULTS:Overall, 41.2% had one or more ED visits within 6 months of their in-home assessment. Previous ED use and cardiorespiratory symptoms, cardiac conditions, and specific geriatric syndromes were predictors within the six-level DIVERT Scale. The scale provided adequate risk differentiation for case finding, with an area under the receiver operating characteristic curve of 0.62 (95% confidence interval = 0.61-0.62) and distinct risk gradients between risk scores. The multilevel validation demonstrated consistent performance across geographic and participant clusters. CONCLUSION:The DIVERT Scale is a valid case-finding tool for ED use in older home care clients. It may be suitable for preemptively and systematically risk-stratifying individuals or groups for additional assessment, case management, and preventative interventions. It may also be suitable for the stratification and adjustment of performance metrics.

journal_name

J Am Geriatr Soc

journal_title

Journal of the American Geriatrics Society

authors

Costa AP,Hirdes JP,Bell CM,Bronskill SE,Heckman GA,Mitchell L,Poss JW,Sinha SK,Stolee P

doi

10.1111/jgs.13336

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

763-9

issue

eissn

0002-8614

issn

1532-5415

journal_volume

pub_type

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Derivation and validation of the detection of indicators and vulnerabilities for emergency room trips scale for classifying the risk of emergency department use in frail community-dwelling older adults.