Variable | Mean±SD | Maximum to minimum |
Age (years) | 67.4±6.8 | 84.0 to 48.0 |
Height (m) | 1.66±0.08 | 1.80 to 1.47 |
Weight (kg) | 69.0±15.5 | 99.8 to 39.9 |
BMI (kg/m2) | 24.8±4.7 | 33.5 to 14.7 |
FEV1/FVC (%) | 39±10 | 59 to 21 |
FEV1 (litres)* | 1.02±0.58 | 2.51 to 0.57 |
FEV1 (% predicted)* | 42.0±15.5 | 95.0 to 29.0 |
RV (litres) | 3.88±1.24 | 6.99 to 2.11 |
RV (% predicted) | 184.8±59.0 | 288.0 to 76.0 |
6MWD (m) | 441±74 | 634 to 319 |
↵* Median and IQR as data were not normally distributed. Time between first test session and measurement of lung function and 6MWD was 7.7±5.5 and 2.4±3.0 months, respectively.
BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; RV, residual volume; 6MWD, 6 minute walk distance.