PMID- 15482519 OWN - NLM STAT- MEDLINE DCOM- 20050201 LR - 20220309 IS - 0905-6157 (Print) IS - 0905-6157 (Linking) VI - 15 IP - 5 DP - 2004 Oct TI - The diagnostic value of skin prick testing in children with food allergy. PG - 435-41 AB - The diagnostic accuracy of the skin prick test (SPT) in food allergy is controversial. We have developed diagnostic cut-off levels for SPT in children with allergy to cow milk, egg and peanut. Based on 555 open food challenges in 467 children (median age 3.0 yr) we defined food-specific SPT weal diameters that were '100% diagnostic' for allergy to cow milk (>or=8 mm), egg (>or=7 mm) and peanut (>or=8 mm). In children < 2 yr of age, the corresponding weal diameters were >or=6 mm, >or=5 mm and >or=4 mm, respectively. These SPT cut-off levels were prospectively validated in 90 consecutive children