Figure 4.

Change in FeNO per 10-μg/m3 increase in PM2.5 in subjects not prescribed ICS therapy. TEOM readings averaged from three sites using GEE model. Error bars indicate 95% confidence intervals.

Change in FeNO per 10-μg/m3 increase in PM2.5 in subjects not prescribed ICS therapy. TEOM readings averaged from three sites using GEE model. Error bars indicate 95% confidence intervals.