2.1 | Setting, study population, inclusion and
exclusion criteria
The cross-sectional study was conducted in the Department of Infectious
Diseases and Allergology and in the outpatient allergology clinic of the
Military Institute of Medicine in Warsaw from December 2017 to April
2019.
All study participants had to be of legal age. The study group included
patients who registered in the clinic due to an anaphylactic episode of
varying severity after being stung by a honey bee or wasp. The episode
had occurred at least 21 days before enrolment in the study. The control
group consisted of healthy people with negative atopic history. The
exclusion criteria for both groups were identified as below:
1. The level of tryptase in the peripheral blood serum over 20 ng/ml.
2. History of congenital dyslipidemia.
3. History of mast cell dysfunction.
4. Acute disease.