Evaluation of the Beckman Astra 8 analyser
1980
Evaluation of the Beckman Astra 8 Analyser
Sample size: 500
publication
Evidence: moderate
Author Information
Author(s): P. H. Lloyd, Helen Bicknell, P. M. G. Broughton
Primary Institution: Wolfson Research Laboratories, Dept of Clinical Chemistry, Queen Elizabeth Medical Centre
Conclusion
The Astra-8 is a precise and accurate instrument for measuring electrolytes, urea, glucose, and creatinine in serum and urine.
Supporting Evidence
- The Astra-8 can analyze up to 76 specimens at once.
- It provides results for multiple tests including sodium, potassium, and glucose.
- The machine can perform automatic calibration and maintenance checks.
- Results are displayed on a visual display unit and printed for reports.
- Interference tests showed minimal carryover between samples.
- Training courses are provided for operators to ensure proper use.
- The RAPid kit allows for easy replacement of defective modules.
Takeaway
The Astra-8 is a machine that helps doctors check important substances in blood and urine quickly and accurately.
Methodology
The evaluation included precision, linearity, accuracy, and interference tests using serum and urine samples.
Potential Biases
Potential bias due to the use of manufacturer-supplied reagents and standards.
Limitations
Some channels showed issues with precision and outliers were observed in results.
Statistical Information
Statistical Significance
p<0.05
Want to read the original?
Access the complete publication on the publisher's website