Diabetes technology

System Accuracy and Interference Evaluation of a New Glucose Dehydrogenase-Based Blood Glucose Meter for Patient Self-Testing

J Diabetes Sci TechnolPublished Diagnostic accuracy study

Study context

Population
Healthy subjects and people with T1D or T2D (44 female, 56 male; 43 healthy, 23 T1D, 34 T2D; age 53.7 ± 15.8 years)
Participants
100 subjects
Outcome
System accuracy (ISO15197:2015)
Methodological detailsISO15197:2015-conform system performance evaluation, laboratory interference test
  • ISO15197:2015-conform system performance evaluation
  • Laboratory interference test

Performance

As reported in the abstract

Mean absolute relative difference (MARD)

4.7%

Values in zones A and B of the consensus error grid

100%

Values in zone A

99.7%

Values in zone B

0.3%

Further findings

Interference with ten selected substances (substance-induced bias > 10%)

Interference observed with xylose only, a known interfering substance for glucose dehydrogenase (GDH)-based blood glucose meters (BGMs)
  • Manipulated heparinized whole blood

Original publication

System Accuracy and Interference Evaluation of a New Glucose Dehydrogenase-Based Blood Glucose Meter for Patient Self-Testing. J Diabetes Sci Technol. Published 2 October 2023. doi:10.1177/19322968231201862

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