Re: “The burden of chronic kidney disease in Australian patients with type 2 diabetes (the NEFRON study)”, by Merlin C Thomas, Andrew J Weekes, Olivia J Broadley, Mark E Cooper and Tim H Mathew, in the 7 August issue of the Journal (Med J Aust 2006; 185: 140-144). In Box 2 on page 142, the figures for mean patient age in the first row were reversed. The correct figures are 63.3 years for patients with estimated glomerular filtration rate (GFR) ≥ 60 mL/min/1.73m2 and 73.0 years for those with estimated GFR < 60 mL/min/1.73m2.

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