Evaluation of Six Portable Blood Glucose Meters in Dogs
ACVIM 2008
T. Cohen; R. Nelson; P. Kass; E. Feldman
School of Veterinary Medicine, University of California
Davis, CA, USA

The purpose of this study was to evaluate six portable blood glucose meters (PBGM; AlphaTRAK, One-Touch, Elite XL, Accu-Chek, Precision, Contour) for use in dogs. 158 venous blood samples were assayed for glucose using all PBGMs in randomized order and by a reference hexokinase method. Results from the PBGMs and reference hexokinase method (HM) were compared.

HM blood glucose concentrations ranged from 41 to 639 mg/dl. There was excellent correlation between PBGMs and HM results (Table). Results were consistently low for 4 PBGMs, compared with HM results. High and low results were common with the AlphaTRAK. The difference in results between PBGMs and HM increased as blood glucose concentrations increased. Differences in results between PBGM and HM were significantly (p<0.0001) less for the AlphaTRAK and One-Touch and significantly (p<0.01) higher for the Contour, compared with other PBGMs. Problems with correct identification of hypoglycemia (<70 mg/dl), normoglycemia (70-120 mg/dl), and hyperglycemia (> 200 mg/dl) varied between PBGMs (Table).

Correlation

Percent

Median difference

Percent incorrect

 

PBGM

Coefficient

Low results

From reference
(mg/dl)

Identification

AlphaTRAK

0.92

55

18

2

One-Touch

0.96

87

21

4

Elite XL

0.97

98

45

16

Accu-Chek

0.96

99

45

16

Precision

0.93

100

49

20

Contour

0.94

99

73

39

Results of this study support use of the AlphaTRAK and One-Touch glucose meters based on significantly closer results with HM.

Speaker Information
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Todd Cohen


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