FEV0.5Forced Expiratory Volume in 0.5 Seconds
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References in periodicals archive ?
These findings are in agreement with various earlier reports showed highest negative correlation of age with FEV0.5 and reported loss of 24 ml/year with ageing.
Computerized spirometric records showed following results: FVC, FEV in 0.5 and 1 s (FEV0.5 and FEV1), FEV1/FVC%, PEFR and PIFR; forced expiratory flow (FEF) at 25%, 50% and 75% of expired volume, FEF 25-75%, i.e., maximum flow rate during 25-75% of expired volume.