Incidence and prevalence of multiple allergic disorders recorded in a national primary care database

C.R. Simpson, J. Newton, J. Hippisley-Cox, A. Sheikh

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The co-existence of allergic conditions, food allergy, eczema, allergic rhinitis, asthma and anaphylaxis is thought to be increasing. Analysis of primary healthcare data-sets offers the possibility to advance understanding about the changing epidemiology of multiple allergic disorders. Aim: To investigate recent trends in the recorded incidence, lifetime prevalence and consulting behaviour of patients with multiple allergic disorders in England. Methods: QRESEARCH is one of the world's largest national aggregated health databases containing the records of over nine million patients (including those who have left or died). Data were extracted on all patients with a recorded diagnosis of multiple allergic disorders, and annual age-sex standardized incidence and lifetime period prevalence rates were calculated for each year from 2001 to 2005. We also analysed the consulting behaviour of these patients when compared with the rest of the QRESEARCH database population. Results: The age-sex standardized incidence of multiple allergic disorders was 4.72 per 1000 person-years in 2001 and increased by 32.9% to 6.28 per 1000 patients in 2005 (p
Original languageEnglish
Pages (from-to)558-563
Number of pages6
JournalJournal of the Royal Society of Medicine
Volume101
Issue number11
DOIs
Publication statusPublished - 1 Nov 2008

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