Table 7.

Most frequent allergens and current clinical relevance in children and adolescents

Substances	Patients	Positive	Positive		Positive	Relevance*
	tested	tests	tests		tests	present
			F†	M‡
	n	n	n	n	%	n (%)
Nickel sulfate	125	46	43	3	36.8	37 (80.4)
Thimerosal	125	23	20	3	18.4	0 (0.0)
Tosylamide resin§	73	5	5	0	6.8	5 (100.0)
Neomycin	125	8	6	2	6.4	0 (0.0)
Cobalt chloride	125	5	3	2	4.0	5 (100.0)|
Fragrance mix	125	5	4	1	4.0	2 (40.0)
Formaldehyde	125	4	3	1	3.2	3 (75.0)
Potassium dichromate	125	3	1	2	2.4	3 (100.0)
Ethylenediamine	125	3	3	0	2.4	2 (66.7)
Myroxylon pereirae	125	2	2	0	1.6	2 (100.0)

^*Relevance calculated based on the number of positive tests ;

^†female;

^‡male;

^§tosylamide formaldehyde resin;

^|relevance of cobalt together with another metal: relevance questioned