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. 2020 Feb 25;54(2):206–210. doi: 10.14744/SEMB.2020.02703

Table 2.

The most common allergens (%) in our study and different countries

Allergens Our study Europea[7] Chekia[8] Hong Kong[9] Israel[10] Ethiopia[11]
At least one positive allergen 57.8 24.6-60.2 63.5 54.7 43.5 52.7
Nickel sulfate hexahydrate 27.4 20.14 13.8 24.4 13.9 17.7
Potassium dichromate 14.8 4.46 3.95 4.3 3.8 6.4
Cobalt (ii) chloride hexahydrate 11.9 6.74 5.22 8.7 3.4 8.0
Textile dye mix 8.1 - - - - -
Fragrance mix i and ii 6.7 7.62 5.8 13.7 7.1 14.8
Balsam of Peru 4.4 6.08 7.3 5.7 3.6 1.9
P-phenylenediamine (PPD) 4.4 4.08 2.0 6.0 1.8 6.4