From: Computer quantification of airway collapse on forced expiration to predict the presence of emphysema
 | No emphysema | Emphysema |
---|---|---|
Patients, n | 223 | 251 |
COPD, absent/present | 124/99 | 14/237 |
Sex, M/F | 178/45 | 192/59 |
Age, years | 62 (58 - 67) | 65 (59 - 74) |
Smoking, pack yr. | 40 (30 - 53) | 48 (34 - 62) |
BMI, kg/m2 | 27 (±4) | 24 (±5) |
FEV1, %predicted | 91 (±25) | 52 (±26) |
FVC, %predicted | 103 (±20) | 88 (±24) |
FEV1/FVC | 0.68 (±0.11) | 0.45 (±0.14) |
KCO, %predicted | 96 (±17) | 69 (±21) |
DL,CO, %predicted | 82 (±17) | 50 (±19) |
Emphysema scores, % | 0 | 32 (7 - 57) |