How accurate are blood glucose meters?
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How accurate are blood glucose meters? Evidence-Based Answer: At least 60% of blood glucose meters meet the 2003 guidelines of the International Organization for Standardization, which states that ≥95% of the time, glucose meters should be accurate ±15 mg/dL for readings <75 mg/dL and accurate to ±20% for readings ≥75 mg/dL. The American Diabetes Association (ADA) recommends patients using glucose meters receive regular evaluation of their sampling technique and results (SOR: C, expert opinion).
Evidence Based Practice 18(2): 9