Clinical Picture of Patients with the Undetectable Serum IgE and Low Serum IgE in a Retrospective Evaluation of Patients of the Opole Regional Hospital (2013-2023)

Over the period 01/01/2013 until 31/08/2023, 13 907 total plasma IgE determinations were performed in the analytical laboratory of the Provincial Hospital in Opole.Among these determinations, there were 377 results below 2.0 U/l (in 279 patients), with the ultraextremely low results (<0.1 U/l), i.e. virtually undetectable, in 65 (in 44 patients).