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Inter-laboratory evaluation of the COBAS INTEGRA 400 analytical system
J Muser1, J Bienvenu, N Blanckaert
1Klinisch-Chemisches Labor, Kantonsspital Bruderholz, Switzerland. juergen.muser@ksbh.ch
Clinical Chemistry and Laboratory Medicine
|August 17, 2001
Summary
The COBAS INTEGRA 400 analytical system demonstrates excellent precision and accuracy for diverse clinical chemistry assays. This versatile instrument significantly reduces processing time, making it ideal for various laboratory settings.
Area of Science:
- Clinical Chemistry
- Laboratory Automation
- Analytical Instrumentation
Background:
- The COBAS INTEGRA 400 is a random-access analytical system designed for a wide range of clinical assays.
- Evaluating its performance and practicality is crucial for laboratory adoption.
Purpose of the Study:
- To assess the analytical performance and practicability of the COBAS INTEGRA 400 system.
- To compare its efficiency against existing routine laboratory systems.
Main Methods:
- Multi-laboratory evaluation over 2 years.
- Assessed precision, accuracy, linearity, interference, and reagent stability.
- Conducted time studies for personnel and total processing times.
Main Results:
- Excellent within-run and total imprecision (CV < 3% for chemistry/electrolytes, < 5% for proteins/drugs).
- Good method agreement (Spearman's rho > 0.975) and accuracy (90-110% recovery).
- Significantly reduced total working and personnel times compared to routine systems.
Conclusions:
- The COBAS INTEGRA 400 offers reliable analytical performance across multiple assay types.
- Its efficiency and versatility make it suitable for consolidated workstations or specialized testing in laboratories of all sizes.