Background: We compared the diagnostic performances of two newly introduced fully automated multiple allergen simultaneous tests (MAST) analyzers with two conventional MAST assays. Methods: The serum samples from a total of 53 and 104 patients were tested for food panels and inhalant panels. respectively. in four analyzers including AdvanSure AlloScreen (LG Life Science. https://chefesquipmenters.shop/product-category/tortilla-servers/