Prevalence and risk factors for COPD in subjects with preserved ratio impaired spirometry

Rina Kanetake; Kazufumii Takamatsu; Kaechang Park; Akihito Yokoyama

doi:10.1136/bmjresp-2022-001298

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Chronic obstructive pulmonary disease

Prevalence and risk factors for COPD in subjects with preserved ratio impaired spirometry

Authors

Rina Kanetake Department of Respiratory Medicine and Allergology, Kochi Medical School, Kochi University, Nankoku, Japan PubMed articles Google scholar articles
Kazufumii Takamatsu Department of Respiratory Medicine and Allergology, Kochi Medical School, Kochi University, Nankoku, Japan PubMed articles Google scholar articles
Kaechang Park Traffic Medicine Laboratory, Research Organization for Regional Alliance, Kochi University of Technology, Kami, Japan PubMed articles Google scholar articles
Akihito Yokoyama Department of Respiratory Medicine and Allergology, Kochi Medical School, Kochi University, Nankoku, Japan PubMed articles Google scholar articles

Correspondence to Dr Kazufumii Takamatsu; ktakamatsu{at}kochi-u.ac.jp

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Citation

Kanetake R, Takamatsu K, Park K, et al

Prevalence and risk factors for COPD in subjects with preserved ratio impaired spirometry

BMJ Open Respiratory Research 2022;9:e001298. doi: 10.1136/bmjresp-2022-001298

Publication history

Received May 5, 2022
Accepted July 14, 2022
First published July 22, 2022.

Online issue publication

October 18, 2023

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.