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Article History

Received: 28 June 2024

Accepted: 17 March 2025

First Online: 2 April 2025

Change Date: 7 July 2025

Change Type: Update

Change Details: This article has been updated to amend the license information.

Declarations

:

: Ethics approval for this study was granted by the Health Research Authority (IRAS #220189) following review by the South West (Frenchay) Research Ethics Committee (17/SW/0059). All participants provided written, informed, informed consent to participate.

: All participants have consented to publication of study data as part of consent to study participation.

: For the purpose of open access, the authors have applied a Creative Commons Attribution (CC BY) licence to any Author Accepted Manuscript version arising from this submission.

: This project is supported by the National Institute for Health Research (NIHR) Exeter Clinical Research Facility. The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care.

: An abstract associated with this work has been previously published at the British Thoracic Society, with publication in a supplement of Thorax under the following citation: Tomlinson et al. (2021). S14 The utility of the oxygen uptake efficiency plateau as a submaximal exercise biomarker in interstitial lung disease, Thorax, 76 (S1): A11-A12.

: The authors declare no competing interests.