| N = 48 |
---|---|
Sex, female, (%) | 4 (8.3) |
Age, years | 77 (71–81) |
Smoking index, pack-years | 50.0 (30.0–76.9) |
Current smokers, (%) | 2.0 (4.2) |
BMI, kg/m2 | 23.4 ± 3.2 |
FEV1/FVC, (%) | 51.7 (43.9–61.4) |
%FEV1, (%) | 69.8 ± 19.1 |
COPD grades* 1/2/3/4, (%) | 14/27/6/1 (29.2/56.3/12.5/2.0) |