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The impact of idiopathic pulmonary fibrosis on health state utility values: evidence from Australia

Citation

Cox, IA and de Graaff, B and Ahmed, H and Campbell, J and Otahal, P and Corte, TJ and Glaspole, I and Moodley, Y and Goh, N and Macansh, S and Walters, EH and Palmer, AJ, The impact of idiopathic pulmonary fibrosis on health state utility values: evidence from Australia, Quality of Life Research Article online ahead of print. ISSN 0962-9343 (2021) [Refereed Article]

Copyright Statement

The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021

DOI: doi:10.1007/s11136-021-02879-1

Abstract

Purpose: Idiopathic pulmonary fibrosis (IPF) is a progressive and universally fatal lung disease, characterised by increasing fibrosis of the lung parenchyma. In this study, we aimed to quantify the health state utility values (HSUVs) for Australians with IPF and to identify the factors affecting these HSUVs.

Methods: Participants of the Australian IPF Registry (AIPFR), with data on EuroQoL five dimension-five level (EQ-5D-5L) profiles were included. Pulmonary function tests (PFTs) were used to assess disease severity using three IPF -based classification systems. Stepwise multivariable linear regression models assessed the relationship between HSUVs and important demographic and clinical parameters.Query RESULTS: A total of 155 participants provided data for the analysis of HSUVs. For our base case, HSUVs ranged from - 0.57 to 1.00. Mean HSUVs for all participants was 0.65 (95% CI 0.61-0.70). In general, HSUVs decreased with increasing disease severity under all disease severity classification systems. Multivariable linear regression demonstrated a negative association between HSUVs, disease severity and having more than 2 comorbidities.

Conclusions: Our study has shown that EQ-5D-5L has exhibited discriminatory sensitivity for the study population. We have demonstrated that disease severity and having more than two comorbidities was associated with lower HSUVs in Australians with IPF. Our findings support early diagnosis and appropriate evidence-based treatment to slow or prevent IPF progression; and identification and treatment of associated comorbidities to potentially improve health-related quality of life in people with IPF.

Item Details

Item Type:Refereed Article
Keywords:idiopathic pulmonary fibrosis, respiratory disease, quality of life, EQ5D
Research Division:Biomedical and Clinical Sciences
Research Group:Cardiovascular medicine and haematology
Research Field:Respiratory diseases
Objective Division:Health
Objective Group:Evaluation of health and support services
Objective Field:Evaluation of health outcomes
UTAS Author:Cox, IA (Dr Ingrid Cox)
UTAS Author:de Graaff, B (Dr Barbara de Graaff)
UTAS Author:Ahmed, H (Mr Hasnat Ahmad)
UTAS Author:Campbell, J (Dr Julie Campbell)
UTAS Author:Otahal, P (Mr Petr Otahal)
UTAS Author:Walters, EH (Professor Haydn Walters)
UTAS Author:Palmer, AJ (Professor Andrew Palmer)
ID Code:144372
Year Published:2021
Deposited By:Menzies Institute for Medical Research
Deposited On:2021-05-19
Last Modified:2021-06-02
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