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

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

*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

NA = not available.
*In general, oral food challenges to peanut were offered to those with a capRast < 2.0 kUa/L [14].
All children had a convincing history of peanut allergy prior to performing skin-prick testing ± capRAST.
^†An oral challenge to peanut was performed in the hospital and the child had an adverse reaction.

ISSN: 1710-1492