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Related Experiment Videos

Comparative accuracy of glucose monitors

G Fanghänel1, L Sanchez-Reyes, M Morales

  • 1Servicio de Endocrinología, Hospital General de México, (SSA), D.F. gfangh@yahoo.com

Archives of Medical Research
|January 15, 1999
PubMed
Summary

High altitude impacts blood glucose monitoring. One Touch II and Basic monitors demonstrated superior accuracy compared to other systems, ensuring reliable diabetes management.

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Area of Science:

  • Medical Devices
  • Diabetes Management
  • Clinical Diagnostics

Background:

  • Self-monitoring of blood glucose is crucial for diabetes mellitus management.
  • Accurate results from blood glucose monitors are expected by patients and physicians.
  • Environmental and physiological factors can impact monitor performance and accuracy.

Purpose of the Study:

  • To evaluate the effect of high altitude on the performance of seven blood glucose monitoring systems.
  • To compare the accuracy and reliability of different blood glucose monitors under varying conditions.

Main Methods:

  • Seven blood glucose monitoring systems were tested, including One Touch II, One Touch Basic, Reflolux II, Glucometer 3, Glucometer 2, and Accutrend Alpha.
  • A double-blind study compared monitor results against a reference laboratory value using 200 patients (150 with diabetes, 50 healthy).

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Main Results:

  • One Touch II and One Touch Basic monitors showed high accuracy, with adjusted straight lines closest to the ideal Y=X.
  • These monitors had a relative deviation index below 3.5% at the 20% level, significantly better than others (>14%).

Conclusions:

  • One Touch II and One Touch Basic monitors exhibited superior accuracy compared to other tested devices.
  • All monitors evaluated demonstrated practical reliability within the clinically acceptable glucose evaluation (EGA) region.