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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: J Allergy Clin Immunol. 2017 Sep 12;141(1):429–432. doi: 10.1016/j.jaci.2017.07.039

Figure 1. Active smoking significantly increases BAL eosinophil percentages in COPD.

Figure 1

Flow cytometric analysis of eosinophils in (A) blood (n=97), (B) sputum (n=94) and (C) BAL (n=91). NS, never-smokers; FS-NAO, former smokers, no airflow obstruction; CS-NAO, current smokers, no airflow obstruction; FS-COPD, former smokers with COPD; CS-COPD, current smokers with COPD. Box and whiskers plot showing median ± interquartile range, 5th and 95th percentiles, with outliers shown as symbols. *, p<0.05; **, p<0.01; ANOVA with Holm-Sidak post-hoc testing.