Time in range is the percentage of time blood glucose levels are between 70–180mg/dL.
A1C is the current standard of care which diabetes control is measured by. Unlike time in range, A1C is not actionable on a day-to-day basis. “It does not enable people to understand and measure their blood glucose in real-time, observe patterns and trends, and make in-the-moment decisions to improve their blood glucose and avoid health complications.”
When people are able to stay “in-range,” they directly prevent heart disease, kidney disease, blindness, and even amputations.
Time in range captures day-to-day blood glucose management better than A1C, because it immediately reflects the highs and lows that characterize life with diabetes.
Approximate Relationship Between A1C & Time-in-Range
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