Table 2

Multivariate linear regression models between CT density and lung function

CT densityLung function parameterUnstandardised coefficientSE
PD15FEV1pp0.630.1 (p<0.001)
FEV1/FVC (%)0.940.1 (p<0.001)
Kcopp0.550.1 (p<0.001)
Voxel index (%)FEV1pp−0.480.1 (p<0.001)
FEV1/FVC (%)−0.670.1 (p<0.001)
Kcopp−0.50.8 (p<0.001)
  • Data are shown for the regression analysis of both CT parameters and baseline lung function. ‘pp’ is the per cent predicted.

  • FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.