The forced expiratory volume in one second (FEV1) was measured before and after inhalation.

测定所有患者用药前后第1秒用力呼气量（FEV1）变化。

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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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While INCS tended to improve asthma symptoms and forced expiratory volume in one second, the results did not reach significance.

INCS有改善气喘症状及一秒用力呼气容积的趋势，但未达统计学意义。

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