...症状的万托林喷数(略) 2.2.2 肺功能评估 治疗前,两组患者清晨和夜间PEF值、第一秒用力呼气量(forced expiratory volume in 1s, FEV1)、用力肺活量(forced vital capacity, FVC)值无统计学差异(P>0.05),...
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但是茶碱治疗组报道有更多的副作用并中断了研究治疗，且第1秒用力呼气量(forced expiratory volume in one second，FEVl)小于预期的80％。
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第一秒用力呼气量 FEVI ; forced expiratory volume in 1s ; forcedexpiratoryvolune
一秒用力呼气量 forced expiratory volume in 1s ; FEV ; forced expiratory volume at 1 sec
1秒用力呼气量 forced expiratory volume in 1 second ; forced expiratory volume in 1s
第1秒用力呼气量 FEV1 forced expiratory volume in the first second
秒钟用力呼气量 forced expiratory volume in 1s ; FEV
1秒钟用力呼气量 forced expiratory volume in 1s
一秒钟用力呼气量 FEV
测定所有患者用药前后第1秒用力呼气量（FEV1）变化。
The forced expiratory volume in one second (FEV1) was measured before and after inhalation.
第一秒用力呼气量占用力肺活量的百分率(FEV1 %)。
First second forced expiratory volume accounts for the percentage of FVC (FEV1%).
在所有三个组，血y KL - 40水平与哮喘严重程度正相关，而与一秒用力呼气量负相关。
In all three cohorts, serum YKL-40 levels correlated positively with the severity of asthma and inversely with the forced expiratory volume in 1 second.
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