95% LOA: 95% limits of agreement; ABampi: abdominal amplitude; bpm: breaths per minute; RCampi: ribcage amplitude; SD: standard deviation; RR: respiratory rate (expressed by bpm and the breath-by-breath analysis involved breath cycles during the whole recording period); Te: expiratory time; Ti: inspiratory time; Ttot: total breath cycle duration; μ: mean value
Declarations
Acknowledgments
The author thanks the funders for their financial support of this study which was part of a series of clinical studies conducted for the completion of the author’s doctoral degree. The author also thanks his supervision team (Prof. Anne Bruton and Prof. Anna Barney) during the conduction of the current study, who provided meticulous guidance for the design of the current study and the advice about the interpretation of the results of the current study. Finally, the author thanks Prof. Anna Barney for providing the written MATLAB algorithm used for data extraction in the present study.
The author declares that he has no conflicts of interest.
Ethical approval
The study was peer-reviewed and ethically approved by the Research Committee of the School of Health Sciences, Faculty of Environmental and Life Sciences, University of Southampton (ethic number: 18396). This study complies with the 2024 Declaration of Helsinki.
Consent to participate
All participants provided a written consent form prior to their participation in the study.
Consent to publication
Patients’ anonymous data were agreed to be published to maintain anonymity and protect individuals’ health data.
Availability of data and materials
The datasets used and analyzed during the current study are available from the corresponding author (1st author of this manuscript) on reasonable request at psakkatos@mitropolitiko.edu.gr.
Funding
The current study was funded by the British Lung Foundation and the Wessex Medical Trust [15501/01]. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Open Exploration maintains a neutral stance on jurisdictional claims in published institutional affiliations and maps. All opinions expressed in this article are the personal views of the author(s) and do not represent the stance of the editorial team or the publisher.
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