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。

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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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