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Record-based, stepwise screening for type 2 diabetes integrated into an annual cardiovascular care review system:
Benjamin G Fisher1, Yvonne L E Ang, Clare Goodhart
1School of Clinical Medicine, University of Cambridge, UK.
Aims:
Screening high-risk individuals for type 2 diabetes (T2DM) is recommended by many organisations. We report results from a pragmatic stepwise T2DM screening programme integrated into an annual review system in a UK general practice.
Methods:
Patients with hypertension, cardiovascular disease or chronic kidney disease attending an annual review were screened for dysglycaemia by random blood glucose (RBG) measurement. At the discretion of the usual doctor, individuals with an RBG≥6.1 mmol/l were invited to return for fasting blood glucose (FBG) or HbA(1C) measurement, allowing diagnosis of T2DM.
Results:
786 eligible patients were invited for T2DM screening as part of their annual review. 544 attended screening, of whom 120 had an RBG≥6.1 mmol/l. 40 individuals attended FBG measurement and 8 individuals attended HbA(1C) measurement, leading to 9 T2DM diagnoses. The positive predictive value of the test for T2DM was 19% and the laboratory cost was £91 per patient diagnosed with T2DM.
Conclusions:
It is feasible to integrate a simple T2DM screening programme within an annual review system in a UK general practice. Different strategies may be required to increase initial attendance and ensure completion of the screening programme.
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