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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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| Autores principales: | , , , , , |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
2011
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| Materias: | |
| Acceso en línea: | 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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