Fig. 3. Changes in serum specific antibodies to Dermatophagoides farinae by ELISA before (visit 1, V1) and after the treatment (visit 5, V5) in the treatment and control groups. All values are presented as absorbance value x 1,000 and compared by using Wilcoxon's signed rank test.

ELISA, enzyme-linked immunosorbent assay; Ig, immunoglobulin; NS, not significant.