Automated calculation of coagulation activity and International Normalized Ratio in oral anticoagulant control
1987

Automated Calculation of Coagulation Activity and INR in Anticoagulant Control

Sample size: 13 publication Evidence: moderate

Author Information

Author(s): R. H. M. Peters, A. C. T. H. Gehring, F. M. F. G. Olthuis

Primary Institution: Department of Clinical Chemistry, Hospital 'De Stadsmaten'

Hypothesis

The automated system can accurately calculate coagulation activity and INR, reducing clerical work and errors.

Conclusion

The automated system for calculating coagulation activity and INR significantly reduces clerical work and the chance of errors.

Supporting Evidence

  • The automated system achieved a 35% time-saving in laboratory work.
  • The calculated coagulation activities were comparable to those read from the correlation table.
  • Regression analysis showed no significant difference for certain data sets.

Takeaway

This study shows that a computer can help doctors quickly and accurately check blood clotting times, making it easier to treat patients on blood thinners.

Methodology

The study involved comparing calculated coagulation activity with values from a correlation table for different batches of thromboplastin reagent.

Potential Biases

Potential bias due to the specific instruments and reagents used in the study.

Limitations

The study is limited to the specific thromboplastin reagents tested and may not apply to all types.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

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