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AIMS: To compare rates of chronic kidney disease (CKD) in patients with diabetes and management of risk factors compared with people without diabetes using general practice computer records, and to assess the utility of serum creatinine and albuminuria as markers of impaired renal function. METHODS: The simplified Modification of Diet in Renal Disease (MDRD) equation was used to estimate glomerular filtration rate (eGFR) and stage of CKD. Further data were extracted to assess how effectively impaired renal function was being identified and how well potentially modifiable risk factors were being managed. The setting was 17 practices in Surrey, Kent and Greater Manchester (2003-2004). Participants were all patients with serum creatinine (SCr) recorded. RESULTS: Of the total population of 162 113, 5072 were recorded as having a diagnosis of diabetes, giving a prevalence of 3.1%. Of patients with diabetes, 31% had clinically significant CKD (defined as eGFR 120 micromol/l. Of patients with diabetes with eGFR 140/80 mmHg), 26% were not prescribed any hypertensive medication, regardless of level of CKD. CONCLUSIONS: CKD is common in people with diabetes living in the community in the UK. The study found a similar rate of stage 3-5 CKD to that found previously in the USA. Currently used measures of renal function fail to identify CKD as effectively as eGFR. Risk factors for CKD and its progression are suboptimally managed.
New et al. (Wed,) studied this question.