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KMID : 0985420120340010009
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Laboratory Medicine and Quality Assurance
2012 Volume.34 No. 1 p.9 ~ p.12
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Evaluation of ACCU-CHEK® Inform Ⅱ Blood Glucose Meter and ACCU-CHEK® Performa Strip
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Seo You-Kyung
Won Young-Cheol
Kim Hyo-Sik
Kwon Oh-Hun
Lee Woon-Hyoung
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Abstract
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Background: Self-monitoring of blood glucose levels is recommended for all diabetic patients who receive insulin treatment, because such monitoring of glucose levels may aid in achieving better control in type Ⅱ diabetes. Further, the use of point-of-care (POC) blood glucose testing in hospitals has increased substantially. In the present study, we validated the performance of ACCU-CHEK® Inform Ⅱ Blood Glucose Meter and ACCU-CHEK® Performa Strip (Roche Diagnostics, Germany).
Methods: We evaluated the precision, accuracy, and maltose interference of the ACCU-CHEK® Inform II Blood Glucose Meter and ACCU-CHEK® Performa Strip. Further, precision was evaluated using dedicated quality control (QC) and Bio-Rad Whole Blood (WB) QC materials (Meter TraxTM Control; Bio-Rad, USA). Forty samples were used to compare the results obtained using the ACCU-CHEK® Inform II Blood Glucose Meter and ACCU-CHEK® Performa Strip with those obtained using the clinical chemistry analyzer Hitachi 7600 (Hitachi, Japan). Maltose interference was assessed at 2 glucose concentration levels at 3 maltose concentration levels.
Results: For each concentration level of control materials, within-run coefficient of variation (CV) and total CV obtained were less than 5%. Good correlation was obtained using the Hitachi 7600 (y = 1.02x - 0.18; r2 = 0.996; N = 40). Effects of maltose interference were less than 10%.
Conclusions: Thus, the ACCU-CHEK® systems show good precision and correlation with the routine clinical chemistry analyzer and allow only minimal effects of maltose interference.
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KEYWORD
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Glucometer, Maltose interference, Glucose dehydrogenase?pyrroloquinoline quinine
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