Table 1

Standard pulmonary function tests pre- and post-inhaled bronchodilator

 FEV1 % pred7174
 FVC % pred7574
 FEF25–75% % pred6362
Body plethysmography
 TLC % pred7881
 VC % pred7274
 IC % pred128#121#
 FRC % pred69#67#
 ERV % pred32#29#
 RV % pred62#68#
Airway resistance
Raw % pred122138
 sRaw % pred147142
Gas exchange
VA % pred7276
TLCO % pred40#38#
KCO % pred62#58#

FEV1: forced expiratory volume in 1 s; FVC: forced expiratory volume; SVC: slow vital capacity; FEF25–75%: forced expiratory flow between 25 and 75% of FVC; TLC: total lung capacity; VC: vital capacity; IC: inspiratory capacity; FRC: functional residual capacity; ERV: expiratory reserve volume; RV: residual volume; Raw: airway resistance; sRaw: specific airway resistance; VA: accessible alveolar volume; TLCO: transfer factor of the lung for carbon monoxide; KCO: transfer coefficient of the lung for carbon monoxide. #: abnormal test results (outside the 95% confidence interval).