| |
Spirometry (% predicted)
|
|---|
|
FEV1
|
FVC
|
Square of PEF
|
Sqrt of MEF25–75
|
Log of MEF25
|
|---|
|
FRI
|
|
iVlobe at TLC (L)
|
NS
|
NS
|
NS
|
NS
|
NS
|
|
iVlobe at FRC (L)
|
− 0.72***
|
− 0.43*
|
− 0.66***
|
− 0.77***
|
− 0.76***
|
|
Log of siVaw at TLC (mL/L)
|
NS
|
NS
|
NS
|
NS
|
NS
|
|
Log of siVaww at TLC (mL/L)
|
NS
|
− 0.44*
|
NS
|
NS
|
NS
|
|
Log of siRaw at TLC (kPa * s/L)
|
NS
|
NS
|
NS
|
NS
|
NS
|
|
AT at FRC (%)
|
− 0.85***
|
− 0.59**
|
− 0.76***
|
− 0.88***
|
− 0.84***
|
|
TBV at TLC (mL/L)
|
NS
|
NS
|
NS
|
NS
|
NS
|
|
BV10% at TLC (%)
|
− 0.57**
|
− 0.51*
|
− 0.59**
|
− 0.58**
|
− 0.45*
|
|
BV5_10% at TLC (%)
|
− 0.61**
|
− 0.59**
|
− 0.49*
|
− 0.54**
|
− 0.55**
|
|
Square of BV5% at TLC (%)
|
0.64***
|
0.57**
|
0.62**
|
0.61**
|
0.52**
|
|
CF-CT
|
|
Total score (%)
|
− 0.85***
|
− 0.73***
|
− 0.65***
|
− 0.80***
|
− 0.81***
|
|
Bronchiectasis (%)
|
− 0.77***
|
− 0.70***
|
− 0.51*
|
− 0.73***
|
− 0.73***
|
|
Mucus plugging (%)
|
− 0.80***
|
− 0.68***
|
− 0.69***
|
− 0.75***
|
− 0.77***
|
|
BWT (%)
|
− 0.61**
|
− 0.58**
|
NS
|
− 0.50*
|
− 0.58**
|
|
Parenchyma (%)
|
− 0.73***
|
− 0.77***
|
− 0.48*
|
− 0.66***
|
− 0.66***
|
|
AT (%)
|
− 0.69***
|
− 0.54**
|
− 0.61**
|
− 0.65***
|
− 0.66***
|
- FRI: Pearson correlation coefficients, only iVlobe at FRC and AT at FRC were calculated using Spearman. CF-CT: Spearman correlation coefficients. *p < 0.05; **p < 0.01; ***p < 0.001
- iVlobe lobar volume, siVaw specific airway volume, siVaww specific airway wall volume, siRaw specific airway resistance, AT air trapping, TBV total pulmonary blood volume corrected for lobar volume, BV10% percentage of blood vessels larger than 10 mm2, BV5_10% percentage of blood vessels between 5 and 10 mm2, BV5% percentage of blood vessels smaller than 5 mm2, BWT bronchial wall thickening
