IGHE and alopecia areata: While the average IgE level in the alopecia areata group was 116.084 ± 152.834 IU/mL, with a median of 52.715 IU/mL, the control group showed a higher average of 130.331 ± 213.136 IU/mL but a lower median of 44.505 IU/mL (Fig. 6).