IL4 and asthma: As for the Th2 biomarkers(IL-4 P=0.142, IL-5 P=0.4791, IL-13 P=0.6885, Serum IgE P=0.2534, TARC P=0.2074, TSLP P=0.6571), there are no significant statistical differences observed between asthma and control subjects.