Schematic demonstrating airway levels and CT radiographic features that were quantified. Second portion describes the casual mediation analysis results.

At #AJRCCM , Harder et al. Used causal mediation analysis to determine that #6MWD and the MMRC dyspnea score are partially mediated by dilation in the preacinar arteries in ever smokers in COPDgene. www.atsjournals.org/doi/full/10....

www.atsjournals.org/doi/10.1164/...

#Medsky