Baseline | After salbutamol | p-value | |
VC mL | 3500±977 | 3504±1002 | ns |
VC % pred | 90±12 | 91±13 | ns |
FEV1 mL | 2446±704 | 2550±776 | p=0.0051 |
FEV1 % pred | 89±12 | 91±10 | ns |
FEV1 % VC | 73±10 | 74±8 | ns |
PEF L·s−1 | 6.9±2.1 | 6.9±2.3 | ns |
PEF % pred | 91±18 | 92±22 | ns |
MEF50 L·s−1 | 2.6±0.9 | 2.9±1.1 | p=0.0001 |
MEF50 % pred | 58±17 | 66±21 | p=0.0002 |
MEF25 L·s−1 | 0.8±0.4 | 1.0±0.4 | p<0.0001 |
MEF25 % pred | 45±14 | 52±17 | p<0.0001 |
TLC mL | 5188±1077 | ND | |
TLC % pred | 93±13 | ND | |
FRC mL | 2912±634 | ND | |
FRC % pred | 99±18 | ND | |
RV mL | 1775±362 | ND | |
RV % pred | 99±29 | ND | |
R aw | 2.5±1.0 | ND | |
cmH2O·L·s−1 | |||
DL,CO mL· | 18.4±7.4 | ND | |
min·mmHg−1 | |||
DL,CO % pred | 65±17 | ND |
Data are presented as mean±sd
VC: vital capacity
FEV1: forced expiratory volume in one second
PEF: peak expiratory flow
MEF50: maximum flow at 50% of VC
MEF25: maximum flow at 25% of VC
TLC: total lung capacity
FRC: functional residual capacity
RV: residual volume
Raw: airway resistance
DL,CO: carbon monoxide diffusing capacity of the lung
ns: nonsignificant
ND: no data