Computerized calculation of platelet counts obtained with particle counters

Area of Science:

• Biomedical Engineering
• Laboratory Medicine
• Computational Biology

Background:

• Accurate platelet counts are crucial for diagnosing and monitoring various medical conditions.
• Particle counters are widely used for automated platelet enumeration.
• Programmable calculators offer accessible data processing in many laboratories.

Purpose of the Study:

• To develop efficient mathematical methods for calculating platelet counts using programmable calculators.
• To address the challenge of incorporating large correction factor tables into limited calculator memory.
• To provide accurate platelet counts despite red blood cell sedimentation effects.

Main Methods:

• Implementing two constant parameter mathematical manipulations for raw data processing.
• Developing a cosine function approximation for red blood cell sedimentation correction factors.
• Creating a third-order polynomial function approximation for the correction factor table.

Main Results:

• Successfully integrated two constant parameter manipulations into programmable calculator algorithms.
• Achieved close approximations of the large correction factor table using both cosine and polynomial functions.
• Demonstrated the feasibility of obtaining accurate platelet counts with limited computational resources.

Conclusions:

• Mathematical approximations enable the use of programmable calculators for precise platelet counting.
• Cosine and polynomial functions offer viable solutions for overcoming storage limitations in calculating red blood cell sedimentation corrections.
• These methods enhance the accessibility and accuracy of platelet count determination in laboratory settings.