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. 2020 Feb 16;7(1):e000526. doi: 10.1136/bmjresp-2019-000526

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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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/.

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Prevalence of frailty and pre-frailty among non-asthmatics (NA) and asthmatics (A) according to asthma definition legend. 1, current asthma in 2015 (A: n=372; NA: n=11 973); 2, current asthma symptoms in 2002 (A: n=1 456; NA: n=6 560); 3, constant current asthma reports (A: n=103; NA: n=6 206); 4, at least one asthma report (A: n=1 165; NA: n=11 180).