IFNG and asthma: IL-8 and IFN-γ expression (IL-8 in controls p = 0.420 vs. IL-8 in patients with asthma p = 0.7439 and IFN-γ in controls p = 0.695 vs. IFN-γ in patients with asthma p = 0.327) were not different between the patient groups.