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https://hdl.handle.net/2440/126227
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Type: | Journal article |
Title: | Structuring a conceptual model for cost effectiveness analysis of frailty interventions |
Author: | Afzali, H.H.A. Karnon, J. Theou, O. Beilby, J. Cesari, M. Visvanathan, R. |
Citation: | PLoS One, 2019; 14(9):e0222049-e0222049 |
Publisher: | Plos One |
Issue Date: | 2019 |
ISSN: | 1932-6203 1932-6203 |
Editor: | Ferket, B. |
Statement of Responsibility: | Hossein Haji Ali Afzali, Jonathan Karnon, Olga Theou, Justin Beilby, Matteo Cesari, Renuka Visvanathan |
Abstract: | BACKGROUND:Frailty is a major health issue which impacts the life of older people, posing a significant challenge to the health system. One of the key emerging areas is the development of frailty interventions to halt or reverse the progression of the condition. In many countries, economic evidence is required to inform public funding decisions for such interventions, and cost-effectiveness models are needed to estimate long-term costs and effects. Such models should capture current clinical understanding of frailty, its progression and its health consequences. The objective of this paper is to present a conceptual model of frailty that can be used to inform the development of a cost-effectiveness model to evaluate frailty interventions. METHODS:After critical analysis of the clinical and economic literature, a Delphi study consisting of experts from the disciplines of clinical medicine and epidemiology was undertaken to inform the key components of the conceptual model. We also identified relevant databases that can be used to populate and validate the model. RESULTS:A list of significant health states/events for which frailty is a strong independent risk factor was identified (e.g., hip fracture, hospital admission, delirium, death). We also identified a list of important patient attributes that may influence disease progression (e.g., age, gender, previous hospital admissions, depression). A number of large-scale relevant databases were also identified to populate and validate the cost-effectiveness model. Face validity of model structure was confirmed by experts. DISCUSSION AND CONCLUSIONS:The proposed conceptual model is being used as a basis for developing a new cost-effectiveness model to estimate lifetime costs and outcomes associated with a range of frailty interventions. Using an appropriate model structure, which more accurately reflects the natural history of frailty, will improve model transparency and accuracy. This will ultimately lead to better informed public funding decisions around interventions to manage frailty. |
Keywords: | Cost-effectiveness analysis; health economics; frailty; hospitals; chronic obstructive pulmonary disease; aging; built structures; hip |
Rights: | © 2019 Haji Ali Afzali et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
DOI: | 10.1371/journal.pone.0222049 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/1102208 |
Published version: | http://dx.doi.org/10.1371/journal.pone.0222049 |
Appears in Collections: | Aurora harvest 4 Public Health publications |
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