Subjects n | 14 | 5 | |
Age yrs | 59.6±9.0 | 56.0±7.6 | 0.4 |
Females % | 14 | 20 | 0.7 |
BMI kg·m−2 | 21.6±2.9 | 28.2±2.9 | 0.004 |
SNIP cmH2O | 64.4±22.9 | 70.6±26.3 | 0.6 |
FFMI kg·m−2 | 15.8±1.5 | 17.5±1.4 | 0.05 |
SGRQ | | | |
Symptoms | 63.3±18.2 | 64.9±24.3 | 0.9 |
Activity | 76.9±18.1 | 83.2±11.0 | 0.5 |
Impacts | 42.8±13.9 | 51.9±11.0 | 0.2 |
Total | 56.5±14.2 | 63.5±5.3 | 0.3 |
SF-36 | | | |
PCS | 41.2±19.9 | 41.9±16.9 | 0.9 |
MCS | 50.5±23.4 | 50.7±19.3 | 0.9 |
FEV1 % pred | 28.6±11.8 | 27.7±13.3 | 0.9 |
FVC % pred | 80.1±18.2 | 81.0±34.3 | 0.9 |
TLC % pred | 141.1±16.0 | 134.3±14.7 | 0.4 |
RV % pred | 264.4±66.6 | 249.4±80.0 | 0.7 |
RV/TLC % | 64.0±10.8 | 60.9±16.1 | 0.6 |
FRC % pred | 213.3±37.9 | 200.1±44.1 | 0.5 |
DL,CO % pred | 35.6±11.2 | 36.9±11.1 | 0.8 |
Pa,CO2 kPa | 4.8±0.5 | 4.8±0.8 | 0.9 |
Pa,O2 kPa | 10.0±1.4 | 9.2±1.7 | 0.3 |
Exacerbations per yr | 1.9±1.5 | 2.8±2.7 | 0.4 |
ADD prednisone mg·day−1 | 3.1±6.3 | 4.1±5.6 | 0.8 |
Smoking exposure pack-yrs | 45.4±16.7 | 58.6±21.9 | 0.2 |
V′O2 L·min−1 | 0.85±0.23 | 0.85±0.26 | 0.99 |
V′CO2 L·min−1 | 0.79±0.27 | 0.79±0.23 | 0.98 |
V′E L·min−1 | 29.5±9.9 | 29.5±4.1 | 0.99 |