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The results of this study found that skin prick tests to ovomucoid and to baked egg muffin homogenized with normal saline could be helpful in deciding if eggallergic patients are ready for OFC to baked egg. A skin prick test result of ,2 mm to muffin had an 88% negative predictive value and an ovomucoid skin prick test result $11 mm had a positive predictive value of 100%. REVIEWER COMMENTS. Although it is known that 60% to 70% of egg-allergic children can tolerate "baked egg" in their diet, it is often difficult to identify this subpopulation. Recently, ovomucoid-specific IgE levels have been shown to be useful in helping predict the outcome of OFCs to baked egg, but only when the levels are .10 kU A /L (97% positive predictive value). This study uses 2 new skin testing reagents (ovomucoid and muffin suspension) in an attempt to identify who might be able to eat baked egg. Using this approach, a 100% positive predictive value and an 88% negative predictive value have been determined. Although the majority of egg-allergic children will fall outside of these parameters, this approach could reduce the need for OFCs. Importantly, the skin response did not predict the severity of the reaction.

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