The therapeutic symptoms, PEF , FEV _ 1 and artery blood gas in both groups were observed.

观察两组治疗前后症状 、 PEF 、 FEV1、PaCO2的变化.

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Those in the quartile of FEV 1 decline were defined as fast declines.

FEV1下降的四分位数最高值即定义为快速减退.

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FEV 1, PEF, FEF 50, FEF 75 may be used as markers for 6 minute run test.

FEV1 、 PEF 、 FEF50 、 FEF75可作为判断运动试验结果的指标.

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The forced expiratory volume in one second ( FEV 1 ) 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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FVC and FEF 1 were measured before treatment and every two weeks after treatment.

治疗前和每治疗2周后测定FVC、FEV1.

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