According to the American Diabetes Association, a normal fasting plasma glucose (FPG) level is less than 100 mg/dl; impaired fasting glucose (IFG) is defined as an FPG from 100 to 125 mg/dl; and any patient with an FPG greater than or equal to 126 mg/dL carries a provisional diagnosis of diabetes.1 When the oral glucose tolerance test is used for evaluation, similar definitions exist. Patients with IFG or impaired glucose tolerance (IGT) have “pre-diabetes,” and are at a high risk for developing diabetes. Elevated blood glucose levels can have major consequences, particularly in high-risk populations.2
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