Continuous glucose monitoring (CGM) systems have revolutionized diabetes management. These devices provide real-time information on blood glucose levels, allowing individuals with diabetes to make informed decisions about their diet, medication, and lifestyle. Two of the most popular CGM systems are the Freestyle Libre 3 and the Dexcom G7. In this article, we will compare and contrast Freestyle Libre 3 vs Dexcom G7 to help you decide which one is right for you.
Sensor Placement
One of the most significant differences between the Freestyle Libre 3 and Dexcom G7 is sensor placement. The Freestyle Libre 3 sensor is a small, disc-shaped device that attaches to the back of the upper arm with a disposable applicator. Once in place, the sensor can be worn for up to 14 days. The Dexcom G7 sensor is a small, circular device that attaches to the abdomen with an adhesive patch. Like the Freestyle Libre 3, the sensor can be worn for up to 14 days.
Accuracy
Both the Freestyle Libre 3 and the Dexcom G7 are highly accurate CGM systems. According to clinical studies, the Freestyle Libre 3 has a mean absolute difference (MAD) of 8.7 mg/dL compared to laboratory reference values, while the Dexcom G7 has a MAD of 8.5 mg/dL. However, it is important to note that individual results may vary based on factors such as the placement of the sensor, the calibration of the device, and the accuracy of the reference values used in the study.
Compatibility and Integration
Another key difference between the Freestyle Libre 3 and the Dexcom G7 is compatibility and integration. The Freestyle Libre 3 is compatible with smartphones and smartwatches, allowing users to view their glucose data in real time without having to scan the sensor manually. The device can also be integrated with third-party apps, such as MyFitnessPal and Apple Health, to provide additional insights into overall health and wellness. The Dexcom G7 is also compatible with smartphones and smartwatches, and the device can be integrated with the Dexcom CLARITY app to provide detailed reports and insights into glucose trends.
Cost
Cost is always a consideration when choosing a CGM system. If you want to buy Freestyle Libre 3 then its price is less than the Dexcom G7 price. It is important to note that insurance coverage and out-of-pocket costs can vary widely, so it is essential to check with your insurance provider before making a purchase.
Conclusion
Both the Freestyle Libre 3 and the Dexcom G7 are highly accurate and user-friendly CGM systems. The choice between the two devices ultimately comes down to personal preferences and needs. If sensor placement is a concern, the Freestyle Libre 3 may be a better option. If compatibility and integration are important, both devices offer similar capabilities. And if cost is a consideration, the Freestyle Libre 3 is generally less expensive. In either case, it is essential to discuss your options with your healthcare provider to determine which device is the best fit for your individual needs.
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