fef

fef

1

There was no difference in FEV 1 , FEF 50 between slight asthma group and remission group ;

与缓解组第1秒用力呼气流量（FEV1）、50%肺活量时最大呼气流量（FEF50）比较，轻度哮喘组无统计学意义（P0.05）；
2

FEF ( Forced Expiratory Flow Rate ) was measured in 92 smokers without respiratory symptom and 78 healthy non-smokers .

本文对92例无症状吸烟者及78例不吸烟健康人进行最大呼气流速的测定。
3

The clinical manifestations of obliterative bronchiolitis commonly known as BOS ( bronchiolitis obliterans syndrome ), of which clinical manifestations are lung function decline , that is , forced expiratory volume in 1 second and FEF decreasing .

闭塞性细支气管炎的临床表现一般被称为闭塞性细支气管炎综合症（BronchiolitisObliteransSyndrome，BOS），临床表现为肺功能下降，即第1秒用力呼气量、最大呼气中期流速下降。