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Predicting unplanned hospital visits in older home care recipients : a cross-country external validation study

Predicting unplanned hospital visits in older home care recipients : a cross-country external validation study


Title: Predicting unplanned hospital visits in older home care recipients : a cross-country external validation study
Author: Klunder, Jet H.
Bordonis, Veronique
Heymans, Martijn W.
van der Roest, Henriëtte G.
Declercq, Anja
Smit, Jan H.
Garms-Homolova, Vjenka
Jónsson, Pálmi V.
Finne-Soveri, Harriet
Onder, Graziano
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Date: 2021-10-14
Language: English
Scope: 551
Department: Faculty of Medicine
Geriatric and Rehabilitation Services
Series: BMC Geriatrics; 21(1)
ISSN: 1471-2318
DOI: https://doi.org/10.1186/s12877-021-02521-2
Subject: Áhættugreining; Bráðadeildir; Heimahjúkrun; Aldraðir; Emergency department visits; Geographical validation; Home care; Risk prediction models; Unplanned hospitalizations; Emergency Service, Hospital; Humans; Risk Factors; Home Care Services; Hospitals; Aged, 80 and over; Frailty; Aged; Geriatrics and Gerontology; 305912
URI: https://hdl.handle.net/20.500.11815/2988

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Citation:

Klunder , J H , Bordonis , V , Heymans , M W , van der Roest , H G , Declercq , A , Smit , J H , Garms-Homolova , V , Jónsson , P V , Finne-Soveri , H , Onder , G , Joling , K J , Maarsingh , O R & van Hout , H P J 2021 , ' Predicting unplanned hospital visits in older home care recipients : a cross-country external validation study ' , BMC Geriatrics , vol. 21 , no. 1 , 551 , pp. 551 . https://doi.org/10.1186/s12877-021-02521-2

Abstract:

Background: Accurate identification of older persons at risk of unplanned hospital visits can facilitate preventive interventions. Several risk scores have been developed to identify older adults at risk of unplanned hospital visits. It is unclear whether risk scores developed in one country, perform as well in another. This study validates seven risk scores to predict unplanned hospital admissions and emergency department (ED) visits in older home care recipients from six countries. Methods: We used the IBenC sample (n = 2446), a cohort of older home care recipients from six countries (Belgium, Finland, Germany, Iceland, Italy and The Netherlands) to validate four specific risk scores (DIVERT, CARS, EARLI and previous acute admissions) and three frailty indicators (CHESS, Fried Frailty Criteria and Frailty Index). Outcome measures were unplanned hospital admissions, ED visits or any unplanned hospital visits after 6 months. Missing data were handled by multiple imputation. Performance was determined by assessing calibration and discrimination (area under receiver operating characteristic curve (AUC)). Results: Risk score performance varied across countries. In Iceland, for any unplanned hospital visits DIVERT and CARS reached a fair predictive value (AUC 0.74 [0.68–0.80] and AUC 0.74 [0.67–0.80]), respectively). In Finland, DIVERT had fair performance predicting ED visits (AUC 0.72 [0.67–0.77]) and any unplanned hospital visits (AUC 0.73 [0.67–0.77]). In other countries, AUCs did not exceed 0.70. Conclusions: Geographical validation of risk scores predicting unplanned hospital visits in home care recipients showed substantial variations of poor to fair performance across countries. Unplanned hospital visits seem considerably dependent on healthcare context. Therefore, risk scores should be validated regionally before applied to practice. Future studies should focus on identification of more discriminative predictors in order to develop more accurate risk scores.

Description:

Funding Information: The IBenC project was a Collaborative Research Project funded by the European Union in the Programme: FP7-HEALTH-2012-INNOVATION-1 under grant agreement no. 305912. The funding had no role in study design, data collection, analysis, and interpretation, or preparation of the manuscript. Funding Information: This research was supported by Stichting Preventie Vroegdiagnostiek en e-Health. The authors thank the home care clients and home care organizations for their involvement in the project. Publisher Copyright: © 2021, The Author(s).

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