From: Prediction of lung emphysema in COPD by spirometry and clinical symptoms: results from COSYCONET
Variables | Group without CT | Group with CT | p-value |
---|---|---|---|
Sex (m/f) | 448/292 | 271/165 | 0.583 |
Age (years) | 68.0 ± 8.0 | 66.2 ± 8.2 | p < 0.001 |
BMI (kg/m2) | 26.7 ± 5.2 | 26.7 ± 4.9 | 0.898 |
Packyears | 46.7 ± 37.6 | 46.8 ± 36.8 | 0.950 |
Smok. never, ex-, act | 51/567/121 | 27/319/90 | 0.178 |
FEV1 %predicted | 51.1 ± 18.6 | 55.4 ± 18.7 | p < 0.001 |
FVC %predicted | 76.1 ± 18.9 | 82.6 ± 20.3 | p < 0.001 |
FEV1/FVC | 0.51 ± 0.11 | 0.51 ± 0.11 | 0.475 |
TLCO %predicted | 56.1 ± 22.6 | 59.6 ± 22.7 | 0.015 |
KCO %predicted | 64.3 ± 25.6 | 65.2 ± 21.8 | 0.531 |
GOLD grades 1/2/3/4 | 54/310/283/93 | 49/211/137/39 | 0.003 |
GOLD groups ABCD | 237/163/113/222 | 170/86/80/99 | 0.014 |