Parameter | Mean±sd |
VC % pred | 93.0±11.2 |
FEV1 % pred | 88.2±23.0 |
FVC % pred | 93.6±10.3 |
FEV1/VC % | 71.9±12.0 |
TLC % pred | 86.0±9.9 |
RV % pred | 80.4±9.4 |
RV/TLC % | 38.2±6.2 |
DL,CO % pred | 58.9±9.0 |
Spirometry and plethysmography were carried out and the parameters were recorded. VC: vital capacity; % pred: % predicted; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; TLC: total lung capacity; RV: residual volume; DL,CO: diffusing capacity of the lung for carbon monoxide.