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Updated: Jun 28, 2026

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes

Published on: March 22, 2022

Multicentre evaluation of the Boehringer Mannheim/Hitachi 911 Analysis System.

Z Zaman¹, N Blanckaert, C Cobbaert

¹Clinical Chemistry Laboratory University Hospitals Leuven Capucynenvoer 33-35 Leuven B 3000 Belgium.

The Journal of Automatic Chemistry

|January 1, 1993

Summary

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The Boehringer Mannheim/Hitachi 911 analysis system demonstrated excellent analytical performance and practicality in a multicenter evaluation. This clinical chemistry system is highly recommended for various laboratory settings, including small to medium-sized labs and STAT facilities.

Area of Science:

Clinical Chemistry
Laboratory Medicine
Analytical Biochemistry

Background:

The Boehringer Mannheim/Hitachi 911 is an automated analysis system used in clinical laboratories.
Evaluating its performance and practicality is crucial for laboratory efficiency and diagnostic accuracy.

Purpose of the Study:

To assess the analytical performance and practicability of the Boehringer Mannheim/Hitachi 911 analysis system.
To determine its suitability for various clinical laboratory applications.

Main Methods:

A multicenter evaluation involving six European laboratories over three months.
Testing of common clinical chemistry analytes, proteins, drugs, and urine analytes.
Data collection exceeding 100,000 items, supported by Computer Aided Evaluation (CAEv).

Related Experiment Videos

Last Updated: Jun 28, 2026

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes

Evaluation of a Point-of-Care Testing Analyzer for Measuring Peripheral Blood Leukocytes

Published on: March 22, 2022

Main Results:

Nearly all analytes met imprecision limits (within-run <2-5%, between-day <3-10%).
No significant drift effects observed; methods showed linearity over wide ranges.
Accuracy was high, with most analytes showing <5% deviation in interlaboratory surveys and method comparisons.
Practicability rated higher than current systems in most aspects, especially versatility.

Conclusions:

The Boehringer Mannheim/Hitachi 911 system meets acceptance criteria for analytical performance with few exceptions.
Its practicability exceeds requirements, making it a useful consolidated workstation.
Recommended for small- to medium-sized clinical laboratories, STAT labs, and specialized testing.