IL13 and asthma: The median (IQR) baseline % intracellular expression of IL-13 in eosinophils was not significantly different between subjects with asthma 7.2 (0–16.7)%, EB 12.1 (0–22.6)%, or healthy controls 1.4 (0–3.3)% (p = 0.2 Kruskal Wallis; figure 1b).