IL13 and asthma: In asthma, there was no correlation between the T-cell intracellular IL-13 expression and the sputum eosinophil count or AHR (r = 0.17; p = 0.69 and r = 0.26; p = 0.46 respectively) and no difference between the intensity of expression in those with or without atopy (p = 0.11).