Figure 1.
Prevalence of peripheral blood KIT p.D816V missense variant carriers and hereditary α-tryptasemia (HαT), according to the severity of Hymenoptera sting reaction, and normal and elevated BST level.
Legend: BST, basal serum tryptase; the normal range is considered 1–11.4 ng/mL. LLR, large local reaction. Grades were assigned based upon the Mueller grading system.3