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Undiagnosed and misdiagnosed chronic obstructive pulmonary disease: Data from the BOLD Australia study

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Petrie, K, Toelle, BG, Wood-Baker, R, Maguire, GP, James, AL, Hunter, M, Johns, DP ORCID: 0000-0002-1575-6850, Marks, GB, George, J and Abramson, MJ 2021 , 'Undiagnosed and misdiagnosed chronic obstructive pulmonary disease: Data from the BOLD Australia study' , International Journal of COPD, vol. 16 , pp. 467-475 , doi: 10.2147/COPD.S287172.

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Abstract

Purpose: Spirometry is necessary to confirm COPD, but many patients are diagnosed based on clinical presentation and/or chest x-ray. There are also those who do not present to primary care for case finding and remain undiagnosed. We aimed to identify: (a) factors that are associated with undiagnosed COPD; and (b) factors that are associated with a potential misdiagnosis of COPD.Patients and methods: This analysis used data from the Burden of Obstructive Lung Disease (BOLD), a cross-sectional study of community dwelling adults randomly selected from six study sites, chosen to provide a representative sample of the Australian population (n= 3357). Participants were grouped by COPD diagnostic criteria based on spirometry and self-reported diagnosis. Odds ratios for predictors of undiagnosed and misdiagnosed were estimated using logistic regression.Results: Of the BOLD Australia sample, 1.8% had confirmed COPD, of whom only half self-reported a diagnosis of COPD. A further 6.9% probably had COPD, but were undiagnosed. The priority target population for case finding of undiagnosed COPD was aged ≥60 years (particularly those ≥75 years), with wheezing, shortness of breath and a body mass index (BMI) 2.Conclusion: Challenges continue in accurately diagnosing COPD and greater efforts are needed to identify undiagnosed and misdiagnosed individuals to ensure an accurate diagnosis and the initiation of appropriate management in order to reduce the burden of COPD.

Item Type: Article
Authors/Creators:Petrie, K and Toelle, BG and Wood-Baker, R and Maguire, GP and James, AL and Hunter, M and Johns, DP and Marks, GB and George, J and Abramson, MJ
Keywords: case finding, diagnosis, epidemiology, spirometry
Journal or Publication Title: International Journal of COPD
Publisher: DOVE Medical Press
ISSN: 1176-9106
DOI / ID Number: 10.2147/COPD.S287172
Copyright Information:

Copyright 2021 Petrie et al. Licensed under Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0) https://creativecommons.org/licenses/by-nc/3.0/

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