Fig. 3

Bland-Altman plots of CT LVAS, CTVI_HU and CTVI_Jac vs. PET lobar ventilation, plotting the average of the CTVI method and PET (x-axis) against the difference (y-axis)
Bland-Altman plots of CT LVAS, CTVI_HU and CTVI_Jac vs. PET lobar ventilation, plotting the average of the CTVI method and PET (x-axis) against the difference (y-axis)