BACKGROUND: In vitro testing is commonly used to diagnose and manage allergies.
Clinical reactivity has been correlated with food-specific IgE levels by using the ImmunoCAP
(Phadia, Uppsala, Sweden). OBJECTIVE: To determine whether IgE levels derived from
different assays are equivalent to those measured by ImmunoCAP. METHODS: Fifty patients
from the Mount Sinai Pediatric Allergy practice were prospectively enrolled. For each
deidentified sample, specific IgE levels were measured to egg, milk, peanut, cat, birch, and …