Assessment of diabetes screening by general practitioners in France: the EPIDIA Study

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Abstract
Aims  To audit Type 2 diabetes screening in general practice in France and to determine the frequency of undiagnosed diabetes in patients at high risk, after systematic screening and diagnosis.Methods  For this study, 288 general practitioners volunteered to include all consecutive non‐diabetic patients aged < 65 years who had at least two risk factors for diabetes, whatever the reason for consultation. If a plasma glucose had not been recorded in the previous 12 months, a fasting plasma glucose (FPG) was performed, with a second test if FPG ≥ 7.0 mmol/l.Results  There were 5950 patients included. The most frequent diabetes risk factors were: age ≥ 40 years, 92%; overweight [body mass index (BMI) ≥ 27 kg/m2], 59%; treated hypertension, 48%; treated dyslipidaemia, 37%; family history of diabetes, 24%. Of these subjects at high risk for diabetes, 88% had a FPG measurement in their medical record (75% measured during the preceding 12 months). In the 1499 patients in whom FPG was measured, diabetes was diagnosed in 40 patients (2.7% 95% CI 1.9–3.5) and 22% had impaired fasting glucose (IFG). Thus, the frequency of undiagnosed diabetes in the 5950 high‐risk patients was 0.67% (0.46–0.88).Conclusion  Screening for diabetes by general practitioners in France appears to be adequate and undiagnosed diabetes is rare in patients with risk factors for diabetes, at least in those consulting the general practitioners studied.

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