Time trends in Australian hospital anaphylaxis admissions in 1998-1999 to 2011-2012

Raymond James Mullins, Keith Dear, M Tang

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

Background Studies from the United Kingdom, the United States, and Australia have reported increased childhood food allergy and anaphylaxis prevalence in the 15 years after 1990. Objective We sought to examine whether childhood food allergy/anaphylaxis prevalence has increased further since 2004-2005. Methods We examined hospital anaphylaxis admission rates between 2005-2006 and 2011-2012 and compared findings with those from 1998-1999 to 2004-2005. Results Overall population food-related anaphylaxis admission rates (per 105 population per year) increased from 5.6 in 2005-2006 to 8.2 in 2011-2012 (a 1.5-fold increase over 7 years). The highest rates occurred in children aged 0 to 4 years (21.7 in 2005-2006 and 30.3 in 2011-2012, a 1.4-fold increase), but the greatest proportionate increase occurred in those aged 5 to 14 years (5.8-12.1/105 population/y, respectively, a 2.1-fold increase) compared with those aged 15 to 29 years and 30 years or older (a 1.5- and 1.3-fold increase, respectively). Not only did absolute food-related anaphylaxis admissions increase, but the modeled year-on-year rate of increase in overall food-related anaphylaxis admissions also increased over time from an additional 0.35 per 105 population/y in 1998-1999 (all ages) to 0.49 in 2004-2005 and 0.63 in 2011-2012 (P
Original languageEnglish
Pages (from-to)367-375
Number of pages9
JournalJournal of Allergy and Clinical Immunology
Volume136
Issue number2
DOIs
Publication statusPublished - Aug 2015

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