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The influence of socioeconomic status on presentation and outcome of acute kidney injury

Phillips, Dafydd, Holmes, Jennifer, Davies, Richard, Geen, John, Williams, John D and Phillips, Aled O 2018. The influence of socioeconomic status on presentation and outcome of acute kidney injury. QJM: An International Journal of Medicine 111 (12) , pp. 849-857. 10.1093/qjmed/hcy180

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Aim Although socioeconomic background is known to impact on the incidence and progression of chronic kidney disease, its influence of on the presentation and outcome for acute kidney injury is not known and is the subject of this study. Design The Welsh National electronic AKI reporting system was used to identify all cases of AKI in patients >18 years of age between March 2015 and November 2017. Methods Socioeconomic classification of patients was derived from the Welsh Index Multiple Deprivation score (WIMD). Patients were grouped according to the WIMD score by their postcode, and the ranked data were categorized into percentiles and correlated with incidence and measures of AKI severity and outcome. Results Date was collected on a total of 57 654 patients. Increased deprivation was associated with higher AKI incidence rates, more episodes of AKI per patient and more severe AKI at presentation. In contrast 90-day mortality was highest in the most affluent areas. Mortality in affluent areas was driven by increased patient age. Corrected for age 90-day mortality was higher in areas of increased deprivation. Conclusion This study highlights that AKI incidence presentation and outcomes are adversely affected by social deprivation. Further studies are required to understand the extent to which these differences reflect patient related factors or regional differences in provision and access to care.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Oxford University Press
ISSN: 1460-2725
Date of First Compliant Deposit: 29 August 2018
Date of Acceptance: 14 August 2018
Last Modified: 18 Oct 2019 09:34

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