Few studies have investigated the significance of decreased FEV(1) in non-COPD, nonasthmatic healthy subjects. We hypothesized that a lower FEV(1) in these subjects is a potential marker of an increased susceptibility to obstructive lung disease such as asthma and COPD. This was a cross-sectional analysis of 1505 Japanese adults. We divided the population of healthy adults with no respiratory diseases whose FEV(1)/FVC ratio was ≥ 70
作者：Hironori, Masuko；Tohru, Sakamoto；Yoshiko, Kaneko；Hiroaki, Iijima；Takashi, Naito；Emiko, Noguchi；Tomomitsu, Hirota；Mayumi, Tamari；Nobuyuki, Hizawa
来源：International journal of chronic obstructive pulmonary disease 2011 年 6卷
