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APT results in the CSU group
| Food additives | % (n) |
|---|---|
| Azorubine | 6.7 (8) |
| Cochineal red | 5.8 (7) |
| Amaranth | 3.3 (4) |
| Butylhydroxyanisole | 2.5 (3) |
| Butylhydroxytoluene | 2.5 (3) |
| Carmine | 1.7 (2) |
| Sodium diphosphate | 0.8 (1) |
| Sodium nitrite | 0.8 (1) |
| Aspartame | 0.8 (1) |
| Benzoic acid | 0.8 (1) |
| Tartrazine | 0.8 (1) |
CSU – chronic spontaneous urticaria, APT – atopy patch test.
