Characteristics of 47 subjects in the asthma, COPD, and healthy control groups.

FEV1, forced expiratory volume in 1 s; FVC, functional vital capacity.
Date for FEV1% and FVC % are expressed as mean 6 SD.
Characteristics of 47 subjects in the asthma, COPD, and healthy control groups.

一秒用力呼气容积（FEV1，forced expiratory volume in 1 s）；用力肺活量（FVC，functional vital capacity）。
FEV1%与FVC%的数据以平均值±标准差表示。
哮喘组、慢性阻塞性肺疾病（COPD）组与健康对照组共计47名受试者的临床特征。