Performance of a new real-time continuous glucose monitoring system: A multicenter pilot study
Abstract
Aims/introduction: The present study aimed to investigate the performance of a new real-time continuous glucose monitoring system.
Materials and methods: Interstitial glucose levels were monitored for 7 days in 63 patients with type 1 or type 2 diabetes using the Medtrum A6 TouchCare® CGM System. Venous blood was collected on a randomized day of the wear period. Plasma glucose levels were measured as reference values.
Results: Among 1,678 paired sensor-reference values, 90.5% (95% confidence interval 89.1-91.9%) were within ±20%/20 mg/dL of the reference values, with a mean absolute relative difference of 9.1 ± 8.7% (95% CI: 8.9-9.2%). The percentages of paired sensor-reference values falling within zone A and B of the Clarke error grid analysis (EGA) and the type 1 diabetes consensus EGA were 99.1 and 99.8%. Continuous EGA showed that the percentages of accurate readings, benign errors, and erroneous readings were 89.9, 6.3 and 3.8%, respectively. Surveillance EGA showed that 90.6, 9.2, and 0.2% of sensor-reference values with no, slight and lower moderate risk, respectively. The mean absolute relative difference was 16.6, and 96.0% of the sensor values fell within zones A and B of the consensus EGA for hypoglycemia. More than 85% of sensor values were within ±20%/20 mg/dL of reference values, the mean absolute relative difference was 99.5% of the sensor values fell in zones A and B of the consensus EGA.
Conclusions: The Medtrum real-time continuous glucose monitoring…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 63 participants or records.
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