Other laboratory examinations
CM- and egg yolk-sIgE levels were measured using the Fluorescence Enzyme Immunoassay (Special Reference Laboratories, Inc., Tokyo, Japan).
Statistical Analysis
The comparison of serum cytokine levels among acute FPIES, enterocolitis, and IgE-mediated anaphylaxis patient groups was analyzed by Mann-Whitney U test. The serum levels of IL-2 and IL-10 were compared by Student’s t -test in samples obtained in symptomatic and asymptomatic stages. Analyses and calculations were performed using JMP® software (SAS Institute Inc., Cary, NC, USA).