UNGROUPED Control HDMA Ozone HDMA/Ozone Eosinophils Epithelium 0.17 -0.17 -0.205 0 0.26 Eosinophil Interstitium -0.03 -0.37 -0.3 0.03 0.04 Vessel Density -0.05 -0.19 -0.41 0.045 -0.790*

*P<0.05

Table 2b: Correlation with epithelial VEGF-distal airways.