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Evaluation of Aution Max AX-4030 and 9UB Uriflet, 10PA Aution Sticks urine dipsticks in the automated urine test strip analysis

  • Cristina Rota EMAIL logo , Marco Biondi and Tommaso Trenti
Published/Copyright: September 26, 2011
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Clinical Chemistry and Laboratory Medicine
From the journal Clinical Chemistry and Laboratory Medicine Volume 50 Issue 1

Abstract

Background: Aution Max AX-4030, a test strip analyzer recently introduced to the market, represents an upgrade of the Aution Max AX-4280 widely employed for urinalysis. This new instrument model can allocate two different test strips at the same time. In the present study the two instruments have been compared together with the usage of Uriflet 9UB and the recently produced Aution Sticks 10PA urine strips, the latter presenting an additional test area for the measurement of urinary creatinine.

Methods: Imprecision and correlation between instruments and strips have been evaluated for chemical-physical parameters. Accuracy was evaluated for protein, glucose and creatinine by comparing the semi-quantitative results to those obtained by quantitative methods. The well-known interference effect of high ascorbic acid levels on urine glucose test strip determination was evaluated, ascorbic acid influence was also evaluated on protein and creatinine determination.

Results: The two instruments have demonstrated comparable performances: precision and correlation between instruments and strips, evaluated for chemical-physical parameters, were always good. Furthermore, accuracy was always very good: results of protein and glucose semi-quantitative measurements resulted to be highly correlated with those obtained by quantitative methods. Moreover, the semi-quantitative measurements of creatinine, employing Aution Sticks 10PA urine strips, were highly comparable with quantitative results.

Conclusions: 10PA urine strips are eligible for urine creatinine determination with the possibility of correcting urin-alysis results for urinary creatinine concentration, whenever necessary and calculating the protein creatinine ratio. Further studies should be carried out to evaluate effectiveness and appropriateness of the usage of creatinine semi-quantitative analysis.

Keywords: Aution Max; urinalysis; urinary creatinine; urine test strip
Corresponding author: Cristina Rota, PhD, Laboratorio di Tossicologia, Dipartimento di Patologia Clinica, Nuovo Ospedale Civile S. Agostino Estense, Via Giardini 1355, 41126 Modena, Italy Phone: +390593961426, Fax: +390593961249
Received: 2011-6-28
Accepted: 2011-9-1
Published Online: 2011-09-26
Published in Print: 2012-01-01

©2011 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/cclm.2011.718
Keywords for this article
Aution Max; urinalysis; urinary creatinine; urine test strip

Articles in the same Issue

  1. Editorial
  2. Targeted therapy for HER-2: personalized medicine for her, too
  3. Review
  4. Circulating levels of HER-2/neu oncoprotein in breast cancer
  5. Mini Review
  6. The human epidermal growth factor receptor 2 (HER2)
  7. Opinion Paper
  8. Proposed criteria for sorting examined properties in clinical laboratory reports
  9. Guidelines and Recommendations
  10. Properties and units in the clinical laboratory sciences, Part XXIII. The NPU terminology, principles and implementation –a user’s guide (Technical Report 2011) (IFCC–IUPAC)
  11. Genetics and Molecular Diagnostics
  12. Establishing high resolution melting analysis: method validation and evaluation for c-RET proto-oncogene mutation screening
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  14. General Clinical Chemistry and Laboratory Medicine
  15. A risk-analysis approach to the evaluation of analytical quality
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  17. Detection and quantification of M-proteinemia: comparison of various methods for serum protein electrophoresis
  18. External quality assessment of point-of-care International Normalized Ratio (INR) testing in Europe
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  20. Simultaneous quantification of 19 drugs/metabolites in urine important for pain management by liquid chromatography-tandem mass spectrometry
  21. Enzyme-linked immunoassay for plasma-free metanephrines in the biochemical diagnosis of phaeochromocytoma in adults is not ideal
  22. The old and new tests for celiac disease: which is the best test combination to diagnose celiac disease in pediatric patients?
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  30. Infections Diseases
  31. Comparison of two immunoassays for determining hepatitis B virus serum markers
  32. Cardiovascular Diseases
  33. Ultra-sensitive troponin I levels to exclude acute myocardial infarction from myocardial injury
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