A, Estimated probability curve for allergy at a given coconut SPT wheal size in millimeters derived from logistic regression; n = 27 patients with allergy and n = 9 patients without allergy. B, Estimated probability curve for allergy at a given coconut sIgE antibody level derived from logistic regression; n = 60 patients with allergy and n = 21 patients without allergy. C, Estimated probability curve for moderate anaphylaxis by parent report at a given coconut sIgE antibody level derived from logistic regression; n = 12 patients with allergy and n = 21 patients without allergy. kUa/L, kU of allergen/L; sIgE, specific IgE; SPT, skin prick testing.