Skip to main content
. 2009 Oct 6;33(1):49–54. doi: 10.2337/dc09-0341

Figure 1.

Figure 1

Prevalence of metformin indication, stratified by glucose tolerance category. Metformin is indicated per the ADA consensus statement criteria of the presence of both IFG and IGT and one of the following diabetes risk factors: age <60 years, BMI ≥35 kg/m2, family history of diabetes, elevated triglycerides, reduced HDL cholesterol, and A1C >6.0% (8). Risk factors for diabetes that were not specifically defined by the ADA were categorized according to the AHA/NHLBI diagnostic criteria for metabolic syndrome (12): presence of hypertension by history, systolic blood pressure >130 mmHg or diastolic blood pressure >85 mmHg, triglyceride level ≥150 mg/dl, and HDL cholesterol <40 mg/dl in men and <50 mg/dl in women. Glucose tolerance categories are as follows: IFG 100–109, FPG levels 100–109 mg/dl and 2-h postchallenge plasma glucose <140 mg/dl; IFG 110–125, FPG 110–125 mg/dl and 2-h postchallenge plasma glucose <140 mg/dl; all IFG, isolated IFG (FPG 100–125 mg/dl and 2-h postchallenge plasma glucose <140 mg/dl); IGT, isolated IGT; and IFG 100–125 + IGT, all IFG and IGT.