| Bivariate | Multiple Regressiona |
---|
| β | P-value | β | P-value |
---|
%LAA |
VE |
−0.23
|
0.0004
| −0.26 |
0.003
|
FWS | 0.11 | 0.09 | 0.14 | 0.11 |
Perc15 |
VE | 0.17 |
0.009
| 0.24 |
0.001
|
FWS | − 0.04 | 0.58 | −0.06 | 0.39 |
FEV1 (%pred) |
VE | 0.09 | 0.164 | 0.18 |
0.013
|
FWS | −0.02 | 0.73 | −0.07 | 0.35 |
FEV1/FVC (%pred) |
VE | 0.24 |
0.0003
| 0.26 |
0.001
|
FWS | −0.11 | 0.08 | −0.13 | 0.07 |
DLCO (%pred) |
VE | 0.38 |
<0.0001
| 0.35 |
<0.0001
|
FWS |
−0.13
|
0.04
| −0.13 |
0.038
|
RV/TLC |
VE | −0.28 |
<0.0001
| −0.16 |
0.03
|
FWS | 0.01 | 0.09 | 0.06 | 0.35 |
- Notes. DLCO, diffusion capacity for carbon monoxide; FEV1, forced expiratory volume in 1 s; FWS, facial wrinkling score; FVC, forced vital capacity in 1 s; LAA% = low attenuation areas, tissue voxels with Hounsfield Unit attenuation values less than −950; Perc15, cut off value in Hounsfield units below which 15% of all voxels are distributed; RV, residual volume; TLC, total lung capacity; VE; skin viscoelastic modulus
- aAdjusted for age, gender, sun exposure, active smoking and pack year smoking history