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Field evaluation of the NOVA Celltrak 12 hematology analyzer
C L Johnson1, B Gerson, M Nunez
1Veterans Affairs Outpatient Clinic, Boston, Massachusetts 02114.
American Journal of Clinical Pathology
|September 1, 1994
Summary
The NOVA Celltrak 12 hematology analyzer demonstrated good precision, linearity, and reproducibility in a 6-week clinical evaluation. It offers valuable clinical data and troubleshooting features, performing well in a real-world setting.
Area of Science:
- Clinical Hematology
- Laboratory Instrumentation
Background:
- Hematology analyzers are crucial for accurate blood cell counts.
- Evaluating new instruments is essential for clinical laboratory efficiency.
Purpose of the Study:
- To assess the performance of the NOVA Celltrak 12 hematology analyzer.
- To validate its precision, linearity, carryover, and reproducibility against manufacturer claims and a reference instrument.
Main Methods:
- A 6-week performance evaluation of the NOVA Celltrak 12.
- Correlation analysis with the Coulter S Plus VI reference instrument for various parameters.
- Assessment of three-part differential counts and flagging system capabilities.
Main Results:
- Favorable comparison to manufacturer claims for precision, linearity, and reproducibility.
- High correlation coefficients (r > .98) for most measured parameters, with specific values for RDW, MCV, and MPV.
- Accurate three-part differential counts, with high correlation for lymphocyte and granulocyte percentages.
Conclusions:
- The NOVA Celltrak 12 demonstrated robust performance in a clinical setting.
- The instrument provides valuable clinical information through its differential counts and flagging system.
- It is a reliable option for routine hematology analysis.
