Article Text
PostScript
Letter
Fixed FEV1/FVC ratio <0.7 for identifying airflow limitation: not a good idea in occupational settings
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Footnotes
The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention (CDC). Mention of a specific product or company does not constitute endorsement by CDC.
Funding This work was supported by the National Institute for Occupational Safety and Health (NIOSH) intramural programme.
Ethics approval De-identified NHANES data were used and ethics approval was thus not needed.
Provenance and peer review Not commissioned; internally peer reviewed.