Values are reported as median (range) or number (%).

* Comparisons between subjects with QE-OFC positive and negative results were conducted using Mann-Whitney U test for continuous variables or using chi-square or Fisher’s exact test for categorical variables.

^†In 2 patients, QEw sIgE data were missing

^‡In 3 patients, SPT data were missing.

^§In 4 patients, SPT data were missing.

^¶QEw-sIgE concentrations exceeding 100 kU_A/L were not evaluated by dilution.

Abbreviations: QE-OFC, quail’s egg oral food challenge; HE, hen’s egg; HEw, hen’s egg white; OVM, hen’s egg ovomucoid; QEw, quail’s egg white; IgE, immunoglobulin E; sIgE, specific IgE; SPT, skin prick test