Accuracy of Continuous Glucose Monitors for Inpatient Diabetes Management
Authors' conclusion
Despite reduced accuracy compared with the outpatient setting, both versions of CGMs had acceptable safety profiles in the inpatient setting.
Study context
- Population
- Adult patients with diabetes admitted to non-ICU medical wards
- Participants
- 34 vs 43
- Comparison
- Continuous glucose monitoring (CGM) version 2 vs CGM version 1, accuracy relative to point-of-care (POC) capillary glucose
- CGM version 2n = 34
- CGM version 1n = 43reference
- Outcome
- CGM accuracy relative to POC (mean absolute relative difference (MARD)) and safety of use (Clarke Error Grid analysis)
Performance
As reported in the abstract
MARD vs POC
CGM version 2
17.7
%
CGM version 1
21.4%
Further findings
Clarke Error Grid: paired values in acceptable zones A and B
- Paired values in zones A and B
- 98.8%
CGM accuracy by POC value and time of sensor wear
- CGM accuracy did not change with POC value or with time of sensor wear
Safety
Safety of use (Clarke Error Grid)
- Paired values within acceptable zones A and B
- 98.8%
Original publication
Accuracy of Continuous Glucose Monitors for Inpatient Diabetes Management. J Diabetes Sci Technol. Published 7 February 2022. doi:10.
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