Time in Range is a metric that complements HbA1c and provides actionable information for you and your patients. It helps you quickly assess patients’ glucose, contextualise their HbA1c and increase their Time in Range.
Time in Range is the percentage of time per day a person spends within target glucose range. The FreeStyle Libre systems automatically calculate the percentage of time your patient spends in, above, or below target range.
The International Consensus sets clear targets for Time in Range1.
Increased %TIR can be associated with reduced risk of diabetes related macrovascular4, kidney3 and eye3 disease, as well as better peripheral nerve function5
HbA1c reflects average glucose over the last 2–3 months; it does not show glycaemic excursions of hyper- and hypoglycaemia.1
An increase in Time in Range results in a decrease in HbA1c1.
Estimate of HbA1c for a given Time in Range level based on T1D and T2D studies2:
The FreeStyle Libre 3 app8 or FreeStyle LibreLink app6 will automatically calculate the percentage of time your patients spend in, above or below target range. This will help identify where your patient needs more support in managing their overall diabetes health.
This Time in Range report shows a person who spent 75% of their day in target glucose range:
LibreView is a secure7, cloud-based diabetes management system. It provides both healthcare professionals and patients with access to a consistent set of clear, intuitive reports that make it easier and faster to discover patterns and trends.₼
With the AGP report on LibreView you can:
We offer various on-demand webinars for Healthcare Professionals
Explore our training resources to help you to help you get the most of LibreView
Explore our instructional videos to learn how to get started with LibreView for both you and your patients.
References & Disclaimers
Images are for illustrative purposes only. Not real patient or data.
* FreeStyle Libre system refers to the FreeStyle Libre 2 and FreeStyle Libre 3 systems.
1. Battelino T, Danne T, Bergenstal RM, et al. Clinical targets for continuous glucose monitoring data interpretation: recommendations from the international consensus on time in range. Diabetes Care. (2019);42(8):1593-1603
2. Vigersky RA, McMahon C. The relationship of hemoglobin A1c to time-in-range in patients with diabetes. Diabetes Technol Ther. (2019);21(2):81-85
3. Beck RW et al. Diabetes Care (2019);42(3):400-405.
4. Lu J, et al. Diabetes Technol Ther. 2020 Feb;22:72-78.
5. Li F, et al. Diabetes Res Clin Pract. 2020 Aug;166:108289. doi: 10.1016/j.diabres.2020.108289
6. The FreeStyle LibreLink app is only compatible with certain mobile devices and operating systems. Please check the website for more information about device compatibility before using the app. Use of FreeStyle LibreLink may require registration with LibreView.
7. LibreView is ISO27001/27018/27701 certified and HITRUST CSF Certified.
8. The FreeStyle Libre 3 app is only compatible with certain mobile devices and operating systems. Please check our website for more information about device compatibility before using the app. Sharing of glucose data requires registration with LibreView.
₼ The LibreView website is only compatible with certain operating systems and browsers. Please check www.LibreView.com for additional information.
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