The Korean Journal of Clinical Laboratory Science : eISSN 2288-1662 / pISSN 1738-3544 pISSN 1738-3544
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Table 1.

Comparison of QC between POCT and traditional laboratory medicine

Aspect POCT QC General laboratory medicine QC
Environment Conducted in diverse settings (e.g., bedside, clinics), often with limited environmental control Performed in controlled environments with strict temperature, humidity, and lighting control
Frequency of QC QC is typically less frequent; daily or per-test QC may not always be feasible due to time and resource constraints QC is regularly scheduled, often multiple times a day, and more rigorous to ensure accuracy
Operator training Operators are often non-laboratory personnel (e.g., nurses, technicians) with variable QC training Highly trained lab personnel or medical technologists conduct QC, adhering to specialized protocols
Equipment and calibration Portable, user-friendly devices with automated calibration; may be more prone to variability Calibrated, high-precision instruments with frequent calibration and strict adherence to maintenance schedules
Quality standards Often follows simplified QC guidelines (CLIA-waived standards in some regions), with fewer regulatory demands Complies with strict international standards (e.g., CLIA, CAP) and regulatory oversight
Error management Error handling is often managed on-site; fewer systematic root cause analyses are conducted Systematic error management procedures, with detailed root cause analyses and corrective actions
Data management Data integration with hospital systems can be challenging; results may be manually recorded Seamless integration with electronic medical records (EMRs) and LIS, ensuring accuracy in data handling
Result consistency Results may show greater variability due to limited QC and environmental factors Consistency is high due to stringent QC, standardized procedures, and controlled environments
Turnaround time Rapid results, crucial for urgent care, but sometimes at the expense of QC stringency Longer processing time, but QC is rigorous, ensuring high accuracy and reliability
Cost efficiency Lower cost for some devices and tests, but QC costs can vary based on operator error frequency Higher overall QC costs due to frequent testing and high-quality reagents, but greater long-term cost efficiency

Abbreviations: POCT, point-of-care testing; QC, quality control; CLIA, Clinical Laboratory Improvement Amendments; CAP, College of American Pathologists; LIS, laboratory information system.

Korean J Clin Lab Sci 2024;56:295-306 https://doi.org/10.15324/kjcls.2024.56.4.295
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