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Island medicine: using data linkage to establish the kidney health of the population of Tasmania, Australia


Jose, M and Raj, R and Jose, K and Kitsos, AR and Saunder, THC and McKercher, C and Radford, J, Island medicine: using data linkage to establish the kidney health of the population of Tasmania, Australia, International Journal of Population Data Science, 6, (1) pp. 1-11. ISSN 2399-4908 (2021) [Refereed Article]

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2021 The Authors. Open Access under CC BY 4.0 (

DOI: doi:10.23889/ijpds.v6i1.1665


Objective: To report (using linked laboratory data) the incidence, prevalence and geographic variation of chronic kidney disease (CKD) across the whole island population of Tasmania, Australia.

Methods: A retrospective cohort study (the Tasmanian Chronic Kidney Disease study (CKD.TASlink)) using linked data from five health and two pathology datasets from the island state of Tasmania, Australia between 1/1/2004 and 31/12/2017. We used data on 460,737 Tasmanian adults (aged 18 years and older, representing 86.8% of the state's population) who had a serum creatinine measured during the study period. We defined CKD as per Kidney Disease Outcomes Quality Initiative, requiring two measures of estimated glomerular filtration rate (eGFR) <60 mL/min/1.73m2, at least three months apart. Kidney replacement therapy (KRT) included dialysis or kidney transplantation.

Results: We identified 56,438 Tasmanians with CKD during the study period, equating to an age-standardised annual incidence of 1.0% and a prevalence of 6.5%. These figures were higher in women, older Tasmanians and people living in the North-West region of Tasmania. Testing for urinary albumin:creatinine ratio is increasing, with 28.5% of women and 30.8% of men with stage 3 CKD having both an eGFR and uACR in 2017. Use of KRT was consistently seen in >65% of Tasmanians with eGFR <15 mL/min/1.73m2.

Conclusion: There is geographic and gender variation in the incidence and prevalence of CKD, but it is reassuring to see that the majority of people with end-stage kidney failure are actually receiving treatment with dialysis or transplantation.

Item Details

Item Type:Refereed Article
Keywords:chronic kidney disease, dialysis, epidemiology, transplantation, Tasmania, data linkage,
Research Division:Biomedical and Clinical Sciences
Research Group:Clinical sciences
Research Field:Nephrology and urology
Objective Division:Health
Objective Group:Clinical health
Objective Field:Diagnosis of human diseases and conditions
UTAS Author:Jose, M (Professor Matthew Jose)
UTAS Author:Raj, R (Dr Rajesh Raj)
UTAS Author:Jose, K (Dr Kim Jose)
UTAS Author:Kitsos, AR (Mr Alex Kitsos)
UTAS Author:Saunder, THC (Mr Timothy Saunder)
UTAS Author:McKercher, C (Dr Charlotte McKercher)
UTAS Author:Radford, J (Professor Jan Radford)
ID Code:146341
Year Published:2021
Deposited By:Menzies Institute for Medical Research
Deposited On:2021-08-31
Last Modified:2021-11-17
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