Table 3.
Correlations between CT lung volume and other indices
| Insp-LAA% | Exp-LAA% | Insp-MLD | Exp-MLD | MLD E/I ratio | |
|---|---|---|---|---|---|
| Insp-LV | 0.175 | 0.096 | −0.463c | −0.233 | 0.030 |
| Exp-LV | 0.449c | 0.482b | −0.565a | −0.725a | 0.628a |
| LV E/I ratio | 0.411c | 0.554a | −0.256 | −0.767a | 0.952a |
p<0.0001;
p<0.001;
p<0.01
Definition of abbreviations: insp = inspiratory, exp = expiratory, LAA% = low attenuation area percent (<−950HU), MLD = mean lung density, E/I = expiratory/inspiratory, LV = lung volume