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Journal of Medical Sciences

Year: 2009 | Volume: 9 | Issue: 4 | Page No.: 185-193
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Authors

W.K.B.A. Owiredu

G. Amegatcher

N. Amidu

Keywords

Research Article

Precision and Accuracy of Three Blood Glucose Meters: Accu-Chek Advantage, One Touch Horizon and Sensocard

W.K.B.A. Owiredu, G. Amegatcher and N. Amidu
This study evaluated the accuracy and precision associated with the use of three popular alternative-site blood glucose monitors, Accu-chek Advantage, Onetouch Horizon and Sensocard, using forearm venous blood samples and capillary blood samples. The study was conducted from January to March, 2009 at the Komfo Anokye Teaching Hospital, Kumasi. One hundred and ninety consenting subjects were included in the study. The blood glucose levels were analyzed on glucose meters; Accu-chek Advantage, Sensocard and Onetouch Horizon by finger stick, using amperometry Technology. At the same time venous blood glucose was analyzed using the WHO reference Glucose Oxidase Method (GOD). The mean value generated by the WHO reference method (7.91±0.35) was not significantly different (p = 0.2816) from that produced by the Accu-chek Advantage (8.46±0.36), Sensocard (7.72±0.35; p = 0.7028) and Onetouch Horizon (7.97±0.35; p = 0.9044). Bland-Altman analysis indicates that Onetouch Horizon and Accu-chek Advantage have the tendency of overestimating blood glucose with a bias of -0.1 and -0.5, respectively. Sensocard could under-estimate with a bias of 0.2. In terms of rating, while all the glucose meters gave precisions at about the same level (i.e., 1.0), Onetouch Horizon is generating the closest value to the reference method with a difference between mean of -0.06, followed by Sensocard of 0.19 and Accu-chek Advantage with a value of -0.55. The precision of the Accu-chek Advantage, Onetouch Horizon and Sensocard for blood glucose monitoring from about 3.1-33.3 mmol L-1 is good. However, the Accu-chek Advantage has the tendency to overestimate at the hypoglycaemic levels. The Accu-chek Advantage is capable of estimating both capillary and venous blood glucose to the same level of accuracy. The Onetouch Horizon and Sensocard are however incapable of efficiently estimating venous blood glucose.
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Comments

Francis Kyei Bugyei Reply

This is a very great paper. Flawless statistics, and the methodology was excellent. I think it's a great paper beneficial for lab practitioners and medical doctors.

Dr Soiker Davis Reply

As a dentist and knowing that there is a huge link between gum disease and diabetes, I love to have an in office device/method for testing blood sugar. Is there a saliva test? Can I use crevicular blood samples from bleeding gums. Please advise
Sincerely
Dr Spiker Davis

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