. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: Pediatr Clin North Am. 2015 Sep 7;62(6):1409–1424. doi: 10.1016/j.pcl.2015.07.012

Table 4.

Predictive value of SPT and sIgE in positive or negative OFC results^{35, 58}

	>95% Positive		~50% Negative
Food	SPT	sIgE	SPT	sIgE
Egg white	≥7	≥7 ≥ 2 if age <2y	≤3	≤2

Cow's milk	≥8	≥15 ≥5 if age <1y		≤2

Peanut	≥8	≥14	≤3	≤2 (history of prior reaction) ≤5 (no history of prior reaction)

Fish		≥20