| Product Attributes and Performance |
G6® Continuous Glucose
Monitoring System (Dexcom)1
|
FreeStyle® Libre Flash Glucose
Monitoring System (Abbott)2
|
|
Monitoring Method
|
Real-Time CGM
|
Intermittent Scan CGM
|
|
Data Availability
|
Continuously available without user intervention
|
Available with user intervention
(i.e. must scan sensor)
|
|
Age Indication
|
2 years and older
|
18 years and older
|
|
Health Canada Approved Sensor Placement
|
Upper Arm, Abdomen (adults)
Abdomen, Upper Buttocks (pediatrics)
|
Upper arm
|
|
Factory Calibrated
|
Yes
(manual calibration optional)
|
Yes
|
|
Approved to Replace Fingerstick Blood Glucose Testing for Treatment Decisions
|
Yes
Except fingerstick confirmation when symptoms don’t match readings or G6 doesn’t show number, arrow, or both
|
Yes
Except fingerstick confirmation is required:
- During times of rapidly changing glucose
- To confirm hypoglycemia
- To confirm impending hypoglycemia
- When symptoms don’t match readings
- During first day of wear
|
|
Approved to Aid in the Detection of Episodes of Hyperglycemia & Hypoglycemia
|
Yes
|
No
|
|
Health Canada Warning for Patients Diagnosed with Hypoglycemia Unawareness
|
No
|
Yes
|
|
Sensor Wear
|
10 days
|
14 days
|
|
Sensor Survival [Adults ≥18]
|
94% @ 10 days
|
86% @ 14 days
|
|
Sensor Expiration Warning
|
Yes; 24 h, 6 h, 2 h, 30 min
|
No
|
|
Sensor Warm-up Time
|
2 h
|
1 h
|
|
Water Resistance
|
Up to 24 hours in 2.4 meters [8 feet]
|
Up to 0.5 hours in 1 meter [3 feet]
|
|
Known Interfering Substances
|
Acetaminophen if dosed > 1 g every 6 h in adults
Hydroxyurea causes falsely higher readings
|
Ascorbic Acid at >500 mg may cause falsely higher readings
Salicylic Acid at >650 mg may cause falsely lower readings
|
|
Approved for Use with Automated Insulin Delivery (AID) Systems
|
Yes
|
No
|
|
Insulin Pump integration
|
Yes
Tandem t:slim X2® with AID
|
No |
|
Mobile Device Connectivity
|
Yes
Apple iOS and Android via Bluetooth
(See list of supported devices at http://www.dexcom.com/compatibility)
|
Yes
iOS and Android can be used to scan sensor for data via near field communication
|
|
Smart Watch Compatibility
|
Yes
(See list of supported devices at http://www.dexcom.com/compatibility)
|
No |
|
Protective Safeguards (Alerts/Alarms)
|
|
Customizable Threshold Alerts / Alarms [Low / High]
|
Yes
|
No
|
|
Predictive Low Glucose Alert [Within 20 mins]
|
Yes
|
No
|
|
Urgent Low Glucose Alarm
|
Yes
|
No
|
|
Rapidly Rising/Falling Rate of Change Alerts
|
Yes
(optional)
|
No
|
|
Alert Schedule
[i.e. Different Alert Setting at Night]
|
Yes
(optional)
|
No
|
|
Share Alerts / Alarms
|
Yes
(optional)
|
No
|
|
Signal Loss Alert / Alarm
|
Yes
(optional)
|
Yes
|
|
Repeat Alerts / Alarms
|
Yes
(optional)
|
No
|
|
Accuracy
|
|
MARD (Average % Discrepancy Between Sensor Readings and YSI Glucose)
|
9.0%
|
9.5%
|
|
Percentage of Readings within ± 20% /± 1.11mmol/L
|
94%
|
91%
|
|
Accuracy in Hypoglycemia: Concurrence of Sensor Readings with YSI-Measured Values in Low Range [Adult: 2.2-3.3 mmol/L]
|
68%
|
29%
|
|
Data Management, Reporting & Sharing
|
|
Data Availability
|
Continuously available without user intervention
|
Available with user intervention
(i.e. user must scan sensor) |
|
Data Storage
|
Automatically & continuously stored without user intervention
|
Data stored when user scans sensor
Sensor must be scanned at least once every 8 h to prevent data loss
|
|
Data Sharing / Remote Monitoring
|
Yes
Readings continuously automatically shared with followers
|
Yes
Readings are shared when the user scans their sensor
|
|
Trend Arrows
|
Yes
|
Yes
|
|
Trend Graphs
|
1, 3, 6, 12, 24 h
|
8, 24 h
|
|
Smart Phone Push Notifications with Insights, Coaching
|
Yes
Automated via Dexcom CLARITY® App
Opt-In
|
No
|
|
Cloud-Based Data Management Program
|
Yes
Automated upload via Dexcom CLARITY® Mobile App
|
Yes
LibreView®
Data stored and shared when user scans sensor
Sensor must be scanned at least once every 8 h to prevent data loss
|
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