The guideline-recommended FEV1:FVC value of less than 0.70 is the optimal cutoff for the diagnosis of clinically significant chronic obstructive pulmonary disease (COPD), researchers say. The study, ...

"Physicians should feel more confident in following the recent guideline recommendations both to use race-neutral reference equations and to use z scores for assessing severity…Together, these changes ...

This is a preview. Log in through your library . Abstract Measurements of the forced expiratory volume in one second (FEV1·0) and the peak expiratory flow rate (PEF) were made in 99 non-smoking female ...