Accuracy of continuous glucose monitoring in the hospital setting: an observational study
Authors' conclusion
The CGM accuracy when used in hospital may be lower than that reported in the outpatient setting, but this may be improved with appropriate patient selection and daily calibration. Further research is needed to understand the role of CGM in inpatient settings.
Study context
- Population
- Adults hospitalised on 19 medical or surgical non-ICU hospital floors
- Participants
- 326 adults6,648 matched glucose pairs
- Exposure
- Dexcom G6 Pro continuous glucose monitoring (CGM) vs reference point-of-care and laboratory glucose
- Outcome
- CGM accuracy vs reference POC and laboratory glucose
Methodological detailsblinded CGM sensors, retrospective calibration scheme
- Blinded CGM sensors
- Retrospective calibration scheme
Main finding
As reported in the abstract
%20/20
59.5%
MARD
19.2%
Median ARD
16.8%
Clarke error grid analysis (CEGA) zone A (clinically accurate) and zone B (benign)
98.2%
Observational data: associations, not effects.
Further findings
Accuracy by subgroup
- Lower accuracy metrics with severe anaemia, renal dysfunction and oedema
Accuracy with once-daily morning calibration
- MARD with once-daily morning calibration (improved accuracy)
- 11.4%
- Retrospective calibration scheme
Original publication
Accuracy of continuous glucose monitoring in the hospital setting: an observational study. Diabetologia. Published 10 August 2024. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →