Age (y) | 70.7 ± 8.8 |
Height (cm) | 164.4 ± 6.1 |
Weight (kg) | 58.1 ± 8.9 |
Smoking status (current: former) | 34 : 97 |
Smoking history (pack-years) | 67.7 ± 34.1 |
Pulmonary function | Â |
FEV1 (L) | 1.63 ± 0.68 |
%FEV1 (%) | 57.9 ± 19.8 |
RV/TLC (%) | 43.3 ± 8.1 |
DLCO/VA (mL/min/mmHg/L) | 2.77 ± 1.08 |
CT parameters | Â |
LAV% (%) | 33.0 ± 8.6 |
Total lung volume (L) | 5.38 ± 0.9 |
Proxy for inspiration | 0.93 ± 0.13 |
WA (right apical bronchus %) | 57.8 ± 5.8 |
SD-LAV (%) | 4.1 ± 2.5 |
Difference in LAV% (upper – lower lung) |  |
≥ 0% (upper predominant) | n = 94 |
<0% (lower predominant) | n = 37 |