Predictive value of specific IgE for clinical peanut allergy in children: relationship with eczema, asthma, and setting (primary or secondary care)

Table 2 Characteristics of study population

	Participants	Range IQR	Non-participants	Range IQR	p-value
	(n=280)		(n=147)
	n (%) / median		n (%) / median
Male gender	183 (65.4)		89 (61.0)		0.370
Age at IgE measurement (years)	6.9	0.3-18.0	6.5	0.5-18.0	0.876
Age at IgE measurement (years)		3.5-11.4		3.3-12.2
Age at study participation	11.4	2.5-24.1	11.6	2.0-24.7	0.501
Age at study participation		7.7-16.0		8.0-16.9
Primary care	176 (62.9)		93 (63.3)		0.934
Level of peanut-specific IgE (kU/l)	2.35	0.4-100.0	2.95	0.4-100.0	0.716
Level of peanut-specific IgE (kU/l)		0.9-11.5		0.9-9.7
Level of total IgE (kU/L)	426	6-5000	414	17-4755	0.809
Level of total IgE (kU/L)		151-1020		163-1061
Atopic disease in history	266 (95.0)
- Eczema	213 (76.9)
- Asthma	139 (49.6)
- Allergic rhinitis	179 (67.0)
Family history of allergic disease	205 (89.9)

P values represent results of chi squared tests for proportions and Mann–Whitney U test for comparison of medians.

ISSN: 2045-7022