Table 2.

Features of reactions to peanut in children whose peanut allergy resolved and children whose allergy persisted. Values are numbers of children unless stated otherwise

Feature	Resolvers (n=15)	Persisters (n=15)
Median age (months) at first reaction (range)	11 (5-38)	12 (4-120)
Worst feature of severest reaction:
Rash	3	2
Facial swelling	7	12
Tightness of throat or stridor	3	0
Wheeze	2	1
Collapse or faint	0	0
No of reactions:
1	6	6
2	7	5
3	2	3
Uncertain	0	1
Median time (months) from last reaction to challenge (range)†	40 (15-72)	12(3-72)
Weal on skin prick testing <6 mm‡	13/13*	3/14

^*Both of the resolvers who did not have skin prick tests had raised peanut specific IgE concentrations.  

^†P=0.10.  

^‡P<0.0001.