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. 2016 Dec 7;11:3059–3067. doi: 10.2147/COPD.S120776

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© 2016 Montes de Oca et al. This work is published and licensed by Dove Medical Press Limited

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Prevalence of medical visits (to general practitioner/family doctor, specialist, or any physician) due to any cause or exacerbation in the last year in patients with asthma–COPD overlap (post-bronchodilator FEV₁/FVC <0.70 plus asthma prior medical diagnosis), only COPD (post-bronchodilator FEV₁/FVC <0.70), only asthma (prior medical diagnosis), or without these conditions.

Abbreviations: FEV₁, forced expiratory volume in 1 second; FVC, forced vital capacity.