A technical evaluation of the Instrumentation Laboratory Multistat I Analyser
1981

Evaluation of the Instrumentation Laboratory Multistat I Analyser

Sample size: 40 publication Evidence: moderate

Author Information

Author(s): J.F. Stevens, D.J. Allan, D.A. Rickwood, B.P. Ager

Primary Institution: Courtauld Institute of Biochemistry, The Middlesex Hospital Medical School

Hypothesis

The Multistat I Analyser can effectively handle the workload of electrolyte measurements in clinical chemistry laboratories.

Conclusion

The overall analytical performance of the Multistat I Analyser was satisfactory, with some limitations in precision for certain parameters.

Supporting Evidence

  • The Multistat I Analyser was able to process over one thousand test results a day.
  • Precision was measured at three levels of analyte over a period of twenty consecutive working days.
  • Comparisons with commercial quality control sera showed satisfactory accuracy for most channels.

Takeaway

The Multistat I Analyser is a machine that helps labs test blood samples quickly and accurately, but it has some issues with certain tests.

Methodology

The evaluation involved measuring precision and accuracy over a 20-day period using various serum samples and comparing results with other analyzers.

Potential Biases

There were concerns about carryover effects and reagent quality affecting results.

Limitations

The anion gap precision was very imprecise, and there were issues with the reliability of certain reagents.

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