Fig. 1From: Are peanut oral food challenges still useful? An evaluation of children with suspected peanut allergy, sensitization to Ara h 2 and controlled asthmaSerum levels of Ara h 2-specific IgE in subjects with positive or negative oral food challenge (A), and in subjects with positive OFC according to presence or absence of anaphylaxis (B) and according to reaction grading (C)Back to article page