Skip to main content

Table 2 Diagnoses of Peanut Allergy in Index Children (Cases)

From: Should Younger Siblings of Peanut-Allergic Children Be Assessed by an Allergist before Being Fed Peanut?

Case Peanut Skin-Prick Test Mean Wheal Diameter (mm) Peanut-Specific IgE (kUa/L) Oral Challenge to Peanut Butter* Sibling with Peanut Allergy?
1 NA 81.1 NA No
2 NA 5.2 NA No
3 NA 42.8 NA No
4 13 > 100 NA No
5 NA > 100 NA No
6 10 > 100 NA Yes
7 9 > 100 NA Yes
8 0 > 100 NA No
9 7 > 100 NA Yes
10 0 1 Failed oral challenge No
11 5 5.7 NA No
12 6 1.1 Refused oral challenge No
13 4 16.9 NA No
14 5 > 100 NA No
15 10 29 NA No
16 9 41 NA No
17 11 > 100 NA Yes
18 10 1.4 Offered but lost to follow-up No
19 7 0.8 Failed oral challenge No
20 8 2.09 NA No
21 17 NA NA No
22 10 > 100 NA No
23 8 0.72 Failed oral challenge No
24 15 80.2 NA No
25 7 > 100 NA No
26 8 17.6 NA No
27 6 < 0.35 Lost to follow-up No
28 8 28.2 NA No
29 10 36.7 NA No
  1. NA = not available.
  2. *In general, oral food challenges to peanut were offered to those with a capRast < 2.0 kUa/L [14].
  3. All children had a convincing history of peanut allergy prior to performing skin-prick testing ± capRAST.
  4. An oral challenge to peanut was performed in the hospital and the child had an adverse reaction.