Cost analysis of different screening strategies for gestational diabetes mellitus.
2003
Objective: To analyze the findings of a survey in Tehran, Iran, to determine the screening method for gestational diabetes mellitus (GDM) best suited to the local population. Methods: In four university teaching hospitals in Tehran, 2,416 pregnant women were classified into high-, intermediate-, and low-risk groups, on the basis of criteria established by the American Diabetes Association, and then screened for GDM. A two-step approach was implemented, with use of blood glucose thresholds of 130 mg/dL and 140 mg/dL and the previously advocated diagnostic criteria of two or more abnormal results of an oral glucose tolerance test. Results: The prevalence of GDM is increasing globally, and the major determinants of screening programs for GDM are the cost-to-benefit ratio and the prevalence in the target population. The prevalence of GDM in our study sample was 4.7%. Changing from the 130 mg/dL to the 140 mg/dL blood glucose threshold decreased case-detection sensitivity by 12%, to 88%. With this approach, ho...
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