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How should the lower limit of the normal range be defined?

Bruce H Culver1

  • 1Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, USA. bculver@uw.edu

Respiratory Care
|January 7, 2012
PubMed
Summary

Accurate interpretation of spirometry requires individualized lung function testing. Using a simple age-adjusted formula for the FEV1/FVC ratio improves accuracy over common rules of thumb, aiding in diagnosing airflow obstruction.

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