Table 2.

The comparison of serum VEGF, IL-5, IL-13, and TNF-α level in the study

^*VEGF(A) vs VEGF(R): P<0.01, ^†IL-5(A) vs IL-5(R): P=0.01, ^‡VEGF(A) group I vs group III, group I vs group IV: P<0.01, ^§VEGF(R) group I vs group II, group I vs group III, group I vs group IV: P<0.01, ^∥IL-5(R) group I vs group III, group I vs group IV: P<0.05, Scale for cytokine level: pg/mL.

VEGF, vascular endothelial growth factor; IL, interleukin; TNF, Tumor necrosis factor.