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Chronic Kidney Disease in Tasmania: Protocol for a Data Linkage Study
Timothy Saunder1,2, Alex Kitsos1,2, Jan Radford3
1School of Medicine, University of Tasmania, Hobart, Australia.
JMIR Research Protocols
|September 17, 2020
Summary
Chronic kidney disease (CKD) affects over 12% of Tasmanian adults, yet dialysis use is low. This study highlights a significant gap between CKD prevalence and treatment in the community.
Area of Science:
- Public Health
- Epidemiology
- Nephrology
Background:
- Chronic kidney disease (CKD) presents a growing global health challenge.
- Tasmania exhibits the highest prevalence of CKD among non-Indigenous Australians.
- Paradoxically, Tasmania has the lowest incidence and prevalence of dialysis in Australia.
Purpose of the Study:
- To investigate the discrepancy between high community prevalence of CKD in Tasmania and low rates of dialysis utilization.
- To analyze CKD epidemiology within the Tasmanian population using linked health data.
Main Methods:
- Retrospective cohort study utilizing linked health and pathology data from Tasmania (2004-2017).
- Inclusion criteria: individuals with creatinine measurements; CKD defined by eGFR < 60 mL/min/1.73 m² on at least two occasions, 90 days apart.
- Kidney replacement therapy (KRT) data sourced from the Australia and New Zealand Dialysis and Transplant Registry.
Main Results:
- The study included 460,737 individuals, with a CKD cohort of 56,438 (12.25%).
- CKD prevalence was 12.25% in the adult Tasmanian population.
- CKD was present in 45.10% of recorded deaths during the study period.
Conclusions:
- Data linkage enables comprehensive, whole-of-population studies on community CKD.
- Over 12% of Tasmanian adults had CKD between 2004-2017.
- CKD was a significant factor in nearly half of all deaths.
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