Testing the Real-World Accuracy of the Dexcom G6 Pro CGM During the Insulin-Only Bionic Pancreas Pivotal Trial
Authors' conclusion
These results are comparable with accuracy shown previously with laboratory-based measurements and provide real-world evidence of Dexcom G6 Pro accuracy, which improved after the first 12 h and then remained stable thereafter.
Study context
- Population
- Participants with T1D in the Insulin-Only Bionic Pancreas Trial
- Participants
- 53 participants1,073 CGM-BGM pairs
- Comparison
- Dexcom G6 Pro CGM vs blood glucose meter (BGM)
- Outcome
- Mean absolute relative difference (MARD) of CGM vs BGM
- Follow-up
- Median 50 h (range 47-79 h)
Methodological detailsblinded CGM, real-world setting, BGM comparator
- Blinded CGM
- Real-world setting
- BGM comparator
Performance
As reported in the abstract
MARD of CGM vs BGM
Mean absolute relative difference (MARD) over a median period of 50 h
11.0%
Further findings
MARD by wear period
- MARD, first 12 h
- 13.6%
- MARD, hours 12-24
- 10.5%
- MARD, after first 24 h
- 10.1%
Original publication
Testing the Real-World Accuracy of the Dexcom G6 Pro CGM During the Insulin-Only Bionic Pancreas Pivotal Trial. Diabetes Technol Ther. Published 3 October 2023. doi:10.
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