Clinical Relevance of Fixed Ratio vs Lower Limit of Normal

Post date: Jul 27, 2015 3:16:30 PM

The results suggest that use of the fixed ratio alone may lead to misdiagnosis of COPD. A diagnosis established by both a low FEV1/FVC (according to fixed ratio and/or lower limit of normal) and a low FEV1 is strongly associated with clinical outcomes.

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