Regional variation in incidence and prognosis of acute kidney injury

Simon Kok Jensen*, Thomas Bøjer Rasmussen, Bjarke Hejlskov Jacobsen, Uffe Heide-Jørgensen, Simon Sawhney, Henrik Gammelager, Henrik Birn, Søren Paaske Johnsen, Christian Fynbo Christiansen

*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Abstract

BACKGROUND: Examining regional variation in acute kidney injury (AKI) and associated outcomes may reveal inequalities and possibilities for optimization of the quality of care. Using the Danish medical databases, we examined regional variation in the incidence, follow-up, and prognosis of AKI in Denmark.

METHODS: Patients with one or more AKI episodes in 2017 were identified using population-based creatinine measurements covering all Danish residents. Crude and sex-and-age-standardized incidence rates of AKI were estimated using census statistics for each municipality. Adjusted hazard ratios (aHR) of chronic kidney disease (CKD), all-cause death, biochemical follow-up, and outpatient contact with a nephrology department after AKI were estimated across geographical regions and categories of municipalities, accounting for differences in demographics, comorbidities, medication use, lifestyle and social factors, and baseline kidney function.

RESULTS: We identified 63 382 AKI episodes in 58 356 adults in 2017. The regional standardized AKI incidence rates ranged from 12.9 to 14.9 per 1 000 person-years. Compared with the Capital Region of Denmark, the aHRs across regions ranged from 1.04 to 1.25 for CKD, from 0.97 to 1.04 for all-cause death, from 1.09 to 1.15 for biochemical follow-up, and from 1.08 to 1.49 for outpatient contact with a nephrology department after AKI. Similar variations were found across municipality categories.

CONCLUSIONS: Within the uniform Danish healthcare system, we found modest regional variation in AKI incidence. The mortality after AKI was similar; however, CKD, biochemical follow-up, and nephrology follow-up after AKI varied across regions and municipality categories.

OriginalsprogEngelsk
TidsskriftNephrology Dialysis Transplantation
Vol/bind39
Nummer7
Antal sider10
ISSN0931-0509
DOI
StatusUdgivet - jul. 2024

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