IgG Immunotherapy* Control** P Value
Baseline 139 ± 40 145 ± 16 0.679
After months 127 ± 24 135 ± 42 0.629
*Pv before and after immunotherapy in treatment group=0.479
**Pv before and after immunotherapy in control group=0.411
Table 1: Mean specific IgG (μg/ml) in the immunotherapy and placebo groups at the baseline and 6 months after treatment.