Objective to study the clinical application of the peak expiratory flow rate (PEFR) in children with asthma.
目的探讨最大呼气峰流速(PEFR)在儿童哮喘诊治中的临床应用价值。
Indeed, the PDS performed better than FEV1, peak expiratory flow rate, and fraction of exhaled nitric oxide in predicting outcomes after discharge.
事实上，PDS要比FEV1、呼吸峰流速和氧化亚氮呼出率更能预测出院后的结果。
Symptom score and pulmonary function expressed as peak expiratory flow(PEF), peak expiratory flow rate (PEFR) and forced expiratory volume in one second (FEV1) were recorded.
观察两组每日症状评分，早、晚最大呼气峰流速测定（PEF），肺功能检查（FEV1）。
Symptom score and pulmonary function expressed as peak expiratory flow(PEF), peak expiratory flow rate (PEFR) and forced expiratory volume in one second (FEV1) were recorded.
观察两组每日症状评分，早、晚最大呼气峰流速测定（PEF），肺功能检查（FEV1）。
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