Fig. 3From: The upregulation of peripheral CD3-CD56+CD16+ natural killer cells correlates with Th1/Th2 imbalance in asthma patients during acute upper respiratory viral infectionsThe changes of IFN-γ/IL-4 ratio (a) and IFN-γ/IL-5 ratio (b) among healthy controls (N = 50), asthmatic subjects (N = 56) and asthma patients with AURVIs (N = 49) on day 1, day 3, day 8 and day 14. *p < 0.05, **p < 0.01, *** p < 0.001Back to article page