Geographical disparities in emergency department presentations for acute respiratory infections and risk factors for presenting: A population-based cohort study of Western Australian children

Rosanne Barnes, Christopher C. Blyth, Nicholas De Klerk, Wei Hao Lee, Meredith L. Borland, Peter Richmond, Faye J. Lim, Parveen Fathima, Hannah C. Moore

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2 Citations (Scopus)

Abstract

Introduction Studies examining acute respiratory infections (ARIs) in emergency department (EDs), particularly in rural and remote areas, are rare. This study aimed to examine the burden of ARIs among Aboriginal and non-Aboriginal children presenting to Western Australian (WA) EDs from 2002 to 2012. Method Using a retrospective population-based cohort study linking ED records to birth and perinatal records, we examined presentation rates for metropolitan, rural and remote Aboriginal and non-Aboriginal children from 469 589 births. We used ED diagnosis information to categorise presentations into ARI groups and calculated age-specific rates. Negative binomial regression was used to investigate association between risk factors and frequency of ARI presentation. Results Overall, 26% of presentations were for ARIs. For Aboriginal children, the highest rates were for those aged <12 months in the Great Southern (1233 per 1000 child-years) and Pilbara regions (1088 per 1000 child-years). Rates for non-Aboriginal children were highest in children <12 months in the Southwest and Kimberley (400 and 375 per 1000 child-years, respectively). Presentation rates for ARI in children from rural and remote WA significantly increased over time in all age groups <5 years. Risk factors for children presenting to ED with ARI were: Male, prematurity, caesarean delivery and residence in the Kimberley region and lower socio-economic areas. Conclusion One in four ED presentations in WA children are for ARIs, representing a significant out-of-hospital burden with some evidence of geographical disparity. Planned linkages with hospital discharge and laboratory detection data will aid in assessing the sensitivity and specificity of ARI diagnoses in ED.

Original languageEnglish
Article numbere025360
Number of pages12
JournalBMJ Open
Volume9
Issue number2
DOIs
Publication statusPublished - 1 Feb 2019

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