EVALUATING RESPIRATORY IMPAIRMENT IN MIDDLE-AGED PERSONS USING LAMBDA-MU-SIGMA DERIVED Z-SCORES

BACKGROUND: The Lambda-Mu-Sigma (LMS) method calculates the lower limit of normal for spirometric values as the 5(th) percentile of the distribution of Z-scores. Conceptually, LMS-derived Z-scores account for normal age-related changes in pulmonary function, including variability and skewness in ref...

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Main Authors: Vaz Fragoso, Carlos A., Gill, Thomas M., McAvay, Gail, Van Ness, Peter H., Yaggi, H. Klar, Concato, John
格式: Artigo
語言:Inglês
出版: 2011
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在線閱讀:https://ncbi.nlm.nih.gov/pmc/articles/PMC3676885/
https://ncbi.nlm.nih.gov/pubmed/21605489
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.4187/respcare.01192
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