Comparative Accuracy of 3 Blood Glucose Monitoring Systems that Communicate with an Insulin Pump.

doi:10.4158/EP13484.OR

Paper

Comparative Accuracy of 3 Blood Glucose Monitoring Systems that Communicate with an Insulin Pump.

Published May 1, 2014 · C. Greene, Daniel R. Brown, J. Wallace

Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists

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4

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0

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Abstract

OBJECTIVE This study compared the accuracy of the Contour® Next Link blood glucose monitoring system (BGMS) with 2 other BGMSs (OneTouch® UltraLink® and Nova Max Link™), all 3 of which can communicate wirelessly with an insulin pump. METHODS Study staff tested fingerstick samples from 112 subjects aged ≥18 years with each BGMS. All BGMS results were compared to YSI 2300 STAT Plus™ Glucose Analyzer results from the same sample source. To safely obtain a wide range of glucose values, 3 blood samples were obtained from each subject (1 sample was tested fresh from the fingertip [unmodified], and the other 2 samples were modified to raise or lower the glucose concentration). The primary endpoint evaluated was difference in accuracy among the BGMSs across the entire tested glucose range (34 to 561 mg/dL). Additional comparisons were made of accuracy in the low (≤80 mg/dL) and high (>180 mg/dL) glucose ranges. BGMS accuracy was assessed by mean absolute relative difference (MARD). RESULTS The Contour® Next Link BGMS had a statistically significantly lower MARD from the reference value than the other BGMSs across the entire tested glucose range, calculated using all samples as well as only unmodified (i.e., natural) samples. In the low and high glucose ranges, the Contour® Next Link also had a statistically significantly lower MARD from the reference value than the other BGMSs. CONCLUSION As assessed by MARD, the Contour® Next Link BGMS was significantly more accurate than the other BGMSs evaluated, all of which can communicate wirelessly with an insulin pump.

Observational Study

Study Snapshot

The Contour® Next Link blood glucose monitoring system is significantly more accurate than the other two systems tested, providing more accurate glucose readings across the entire glucose range.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Comparative Accuracy of 3 Blood Glucose Monitoring Systems that Communicate with an Insulin Pump.

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References

Insulin Pump for Type 2 Diabetes

Continuous subcutaneous insulin infusion (CSII) using an external pump may be an effective alternative to multiple daily injections for intensifying insulin therapy in type 2 diabetes patients.

Insulin-pump therapy for type 1 diabetes mellitus.

The Premier HQID failed to improve outcomes in type 1 diabetes treatment, but it taught us a great deal about the effects of incentives on healthcare.

Glucose meter inaccuracy and the impact on the care of patients

Inaccuracy in point-of-care glucose meters can alter clinical decisions and potentially cause catastrophic errors in care, even deaths, for patients with diabetes.

Closed-loop insulin delivery in type 1 diabetes.

Closed-loop insulin delivery systems show promise in achieving tight glycemic control in type 1 diabetes, but face challenges and limitations in clinical studies.

External insulin pump treatment in the day-to-day management of diabetes: benefits and future prospectives.

Insulin pump therapy is a valuable tool for managing diabetes, particularly in type 1 and type 2 diabetes, with potential for future advancements in pump and catheter features.

Citations

Seven-Year Clinical Surveillance Program Demonstrates Consistent MARD Accuracy Performance of a Blood Glucose Test Strip

The OneTouch Verio® glucose meter consistently exhibits low mean absolute relative difference (MARD) values, providing users with confidence in its performance when transitioning to new strip batches.

Associations between measures of health-related physical fitness and cardiometabolic risk factors in college students

Low levels of health-related physical fitness in college students are associated with less favorable cardiometabolic risk profiles.

The Quantitative Relationship Between ISO 15197 Accuracy Criteria and Mean Absolute Relative Difference (MARD) in the Evaluation of Analytical Performance of Self-Monitoring of Blood Glucose (SMBG) Systems

A blood glucose meter has a nearly 100% chance of satisfying ISO 15197:2013 accuracy requirements if its mean absolute relative difference (MARD) value is between 3.25% and 5.25%.