Chronic Obstructive Pulmonary Disease in Older Persons: A Comparison of Two Spirometric Definitions

BACKGROUND: Among older persons, we previously endorsed a two-step spirometric definition of chronic obstructive pulmonary disease (COPD) that requires a ratio of forced expiratory volume in 1-second to forced vital capacity (FEV1/FVC) below .70, and an FEV1 below the 5(th) or 10(th) standardized-re...

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Main Authors: Vaz Fragoso, Carlos A., Concato, John, McAvay, Gail, Van Ness, Peter H., Rochester, Carolyn L, Yaggi, H. Klar, Gill, Thomas M.
格式: Artigo
語言:Inglês
出版: 2010
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在線閱讀:https://ncbi.nlm.nih.gov/pmc/articles/PMC2890041/
https://ncbi.nlm.nih.gov/pubmed/20199857
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.rmed.2009.10.030
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