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

Cox, IA, de Graaff, B ORCID: 0000-0003-0743-9561, Ahmed, H ORCID: 0000-0002-2580-9856, Campbell, J ORCID: 0000-0002-1820-6758, Otahal, P ORCID: 0000-0003-4042-1769, Corte, TJ, Glaspole, I, Moodley, Y, Goh, N, Macansh, S, Walters, EH ORCID: 0000-0002-0993-4374 and Palmer, AJ ORCID: 0000-0002-9703-7891 2021 , 'The impact of idiopathic pulmonary fibrosis on health state utility values: evidence from Australia' , Quality of Life Research , doi: 10.1007/s11136-021-02879-1.

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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 Type: Article
Authors/Creators: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
Keywords: idiopathic pulmonary fibrosis, respiratory disease, quality of life, EQ5D
Journal or Publication Title: Quality of Life Research
Publisher: Kluwer Academic Publ
ISSN: 0962-9343
DOI / ID Number: 10.1007/s11136-021-02879-1
Copyright Information:

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

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