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. 2022 May 4;9:855640. doi: 10.3389/fmed.2022.855640

TABLE 3.

The correlation between quantitative high-resolution computed tomography (HRCT) parameters at inspiration and pulmonary function parameters.

FEV1
 FVC
 FEV1/FVC
 FEV1%prep
r p r p r p r p
Left lung LAA−950ins –0.07 0.46 0.02 0.80 –0.33** 0.00 –0.12 0.19
LVins 0.16 0.09 0.23* 0.01 –0.23* 0.01 –0.07 0.47
LAA−950ins% –0.19* 0.04 –0.11 0.26 –0.33** 0.00 –0.12 0.18
MLD ins 0.07 0.48 0.01 0.91 0.20* 0.03 0.05 0.57
Right lung LAA−950ins –0.02 0.81 0.05 0.60 –0.22* 0.02 –0.09 0.35
LVins 0.15 0.12 0.19* 0.04 –0.12 0.18 –0.08 0.42
LAA−950ins% –0.15 0.12 –0.08 0.42 –0.22* 0.02 –0.09 0.35
MLD ins 0.02 0.84 –0.03 0.76 0.17 0.06 0.02 0.81
Entire lung LAA−950ins 0.00 0.99 0.08 0.39 –0.26** 0.01 –0.09 0.34
LVins 0.15 0.10 0.21* 0.02 –0.18 0.05 –0.08 0.40
LAA−950ins% –0.12 0.20 –0.05 0.63 –0.26** 0.01 –0.11 0.26
MLD ins 0.07 0.45 0.01 0.94 0.21* 0.02 0.05 0.57

**p < 0.01, *p < 0.05. FEV1: forced expiratory volume in first second, FVC: forced vital capacity, FEV1/FVC: forced expiratory volume in first second/forced vital capacity, FEV1%prep: forced expiratory volume in first second as a percentage of the expected value, LAA–950ins: low attenuation areas less than-950HU on inspiratory CT scan, LVins: lung volume on inspiratory CT scan, LAA–950ins%: low attenuation areas less than-950HU to lung volume on inspiratory CT scan, MLDins: mean lung density on inspiratory CT scan.