Insect sting allergy. A study from 1980 to 2003 of patients who started treatment with venom immunotherapy between 1980 and 1998

Table 11 Comparison between 2 different groups of patients with allergy to common wasp according to reaction to sting after cessation of it

		A N = 50		B N = 17		p values
		No.	%	No	%
Age	≤ 29	10	20	1	6	0.434
	30–59	34	68	14	82
	≥ 60	6	12	2	12
Gender	Male	33	66	9	53	0.391
	Female	17	34	8	47
Inclusion symptom	Vascular	20	40	6	35	0.731
	Respiratory	13	26	3	17	0.485
Inclusion symptom	Vascular + respiratory	16	32	8	47	0.38
SPT pos. inhalation allergens		15	30	6	35	0.684
Reaction to rush regimen	No / local swelling	29	58	7	41	0.020
	SAR	4	8	6	35	0.013
Pos. SPT to venom 5 th year		16	32	9	53	0.123
Venom RAST, pos. 5 th year		26/48	54	11/14	79	0.129
Total IgE ≥ 123, 5 th year		9/44	20	6/14	43	0.158
Duration of IT in years		7.1 (5–15)		6.5 (5–10)		0.156

A: Patients allergic to common wasp who have had a minimum of 5 years of immunotherapy at full dose and have not had any reaction to subsequent stings.
B: Patients allergic to common wasp, who have had at least 5 years of immunotherapy at full dose, but after cessation have had serious reactions to stings.

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