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Abstract |
Evaluation of the Hemoglobin A1c-Analyzer TOSOH HLC-723 G7 |
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The TOSOH HLC-723 G7 is a compact analyzer designed for the measurement of HbA1c under routine laboratory conditions. The analyzer has an automatic blood tube supply and positive sample identification. Samples are transported automatically via racks in a continuous-load mode, cap piercing is optional. Tests devoted to the assessment of reproducibility and accuracy of analytical results indicated that over a test period of 17 days, the intra-assay variation (CV) was 1.79%, and the inter-assay variation 2.60%, respectively. A comparison with the predecessor model G5 showed a very good correlation (r = 0.997, y = 1.0041x - 0.00172; n = 149). The presence of high triglyceride, bilirubin or urea concentrations in patient samples did not influence the analytical precision. The labile HbA1c fraction (L-A1c) is clearly separated during chromatography and thus does not compromise HbA1c analysis. With a protocol of 1.2 minutes, the TOSOH G7 is a very fast analyzer, designed for laboratories with a high throughput of samples. |
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