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Diabetes Technol Ther. 2007 Apr;9(2):165-8.

Relative accuracy of the BD Logic and FreeStyle blood glucose meters.

Author information

  • DirecNet Coordinating Center, Jaeg Center for Health Research, Tampa, FL 33647, USA.

Abstract

BACKGROUND:

The BD Logic((R)) (Becton, Dickinson and Co., Franklin Lakes, NJ) and FreeStyle((R)) (Abbott Diabetes Care, Alameda, CA) meters are used to transmit data directly to insulin pumps for calculation of insulin doses and to calibrate continuous glucose sensors as well as to monitor blood glucose levels.

METHODS:

The accuracy of the two meters was evaluated in two inpatient studies conducted by the Diabetes Research in Children Network (DirecNet). In both studies, meter glucose measurements made with either venous or capillary blood were compared with reference glucose measurements made by the DirecNet Central Laboratory at the University of Minnesota using a hexokinase enzymatic method.

RESULTS:

The BD Logic tended to read lower than the laboratory reference regardless of whether venous (median difference = -9 mg/dL) or capillary blood (median difference = -7 mg/dL) was used. This resulted in lower accuracy of the BD Logic compared with the FreeStyle meter based on the median relative absolute difference (RAD) for both venous blood (median RAD, 9% vs. 5%, P < 0.001) and capillary blood (median RAD, 11% vs. 6%, P = 0.008). The greatest discrepancy in the performance of the two meters was at higher reference glucose values. Accuracy was not significantly different when the reference was < or = 70 mg/dL.

CONCLUSIONS:

The BD Logic meter is less accurate than the FreeStyle meter.

PMID:
17425442
[PubMed - indexed for MEDLINE]
PMCID:
PMC1852472
Free PMC Article
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