Figure 3

Regression analysis for tissue macrophage phenotypes with pack year history for NLFS and COPD-CS for (a) epithelial M1 and (b) sub-epithelial M2 macrophages.

Regression analysis for tissue macrophage phenotypes with pack year history for NLFS and COPD-CS for (a) epithelial M1 and (b) sub-epithelial M2 macrophages.