Accuracy of a Continuous Glucose Monitor in the Intensive Care Unit
Authors' conclusion
CGM glucose readings in the ICU may be reliable to use in certain critically ill patient populations. CGM may not be reliable in patients requiring high-dose vasopressors.
Study context
- Population
- Consented ICU patients with known hyperglycemia941 paired readings
- Participants
- 16 patients
- Comparison
- Continuous glucose monitoring (CGM) glucose vs standard glucose measurements in routine care
- Outcome
- Accuracy of CGM glucose vs standard glucose measurements (Clarke Error Grid, MARD)
Methodological detailsnon-randomized, 9-month enrolment period
- Non-randomized
- 9-month enrolment period
Performance
As reported in the abstract
Accuracy of CGM vs routine care glucose measurements
Clarke Error Grid: readings in regions A or B
99.7%
Clarke Error Grid: readings in other regions
0.3%
Mean absolute relative difference (MARD) of all readings
12.25%
Secondary outcomes
Duration of CGM use
- Median duration of CGM use, days (range 1-20)
- 5.5
Caregiver acceptance
- No nursing concerns regarding the addition of CGM to the routine workflow
Safety
- Adverse events attributable to CGM
- 0
Original publication
Accuracy of a Continuous Glucose Monitor in the Intensive Care Unit. Diabetes Technol Ther. Published 11 February 2026. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →