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The global incidence and prevalence of anaphylaxis in children in the general population: A systematic review
Author(s) -
Wang Yichao,
Allen Katrina J.,
Suaini Noor H. A.,
McWilliam Vicki,
Peters Rachel L.,
Koplin Jennifer J.
Publication year - 2019
Publication title -
allergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.363
H-Index - 173
eISSN - 1398-9995
pISSN - 0105-4538
DOI - 10.1111/all.13732
Subject(s) - medicine , incidence (geometry) , anaphylaxis , epidemiology , population , systematic review , pediatrics , medline , demography , environmental health , allergy , immunology , physics , sociology , political science , law , optics
Background Despite an increasing number of publications from individual countries and regions, there is still no systematic review of the global epidemiology of anaphylaxis in the general paediatric population. Methods We conducted a systematic review, using a protocol registered and published with the international prospective register of systematic reviews ( PROSPERO ). Results were reported following PRISMA guidelines. The search strategy was designed in Medline (ovid) and modified for Embase (ovid) and PubMed. Papers were screened by two independent reviewers following selection and exclusion criteria. Data extraction and risk of bias assessment were completed by the same two reviewers. Studies in adults only or those that did not report data in children separately were excluded. Results A final total of 59 articles were included. Of these, 5 reported cumulative incidence, 39 reported incidence rate and 17 reported prevalence data. The incidence of anaphylaxis in children worldwide varied widely, ranging from 1 to 761 per 100 000 person‐years for total anaphylaxis and 1 to 77 per 100 000 person‐years for food‐induced anaphylaxis. The definition of anaphylaxis from NIAID / FAAN was the most commonly used. Gender and ethnicity were demographic risk factors associated with anaphylaxis in children. Increasing total or food‐induced anaphylaxis incidence over time was reported by 19 studies. Conclusion The reported incidence of anaphylaxis in children varied widely. Studies in developing countries are underrepresented. To accurately compare anaphylaxis incidence between countries and investigate the time trends, further studies using a standardized definition across different countries are required.

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