| FEV1 (L) | %FEV1 (%) | RV/TLC (%) | %DLCO (%) |
---|---|---|---|---|
Lumen area | ||||
 Ai (mm2) | 0.27b | 0.24b | −0.24b | − 0.05 |
 Ai / (pTLC)2/3 (%) | 0.16a | 0.18a | −0.19a | −0.09 |
 Ai / (rLV)2/3 (%) | 0.31b | 0.32b | −0.33b | 0.01 |
Lung volume | ||||
 rLV (ml) | −0.14 | −0.21a | 0.22a | −0.12 |
 rLV / pTLC (%) | −0.37b | −0.35b | 0.33b | −0.21a |
Airway tree volume | ||||
 AWV (ml) | 0.41b | 0.43b | −0.35b | 0.00 |
 AWV / pTLC (%) | 0.27b | 0.36b | −0.29b | −0.06 |
 AWV% (%) | 0.48b | 0.56b | −0.47b | 0.07 |
Emphysema | ||||
 LAV% | −0.48b | −0.48b | 0.43b | −0.62b |