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Clinica chimica acta; international journal of clinical chemistry

Clinical correlation between a point-of-care testing system and laboratory automation for lipid profile.


PMID 25952166

Abstract

We evaluated the clinical correlation between the CardioChek PA analyzer and a clinical laboratory reference method to use for screening program purposes. Fasting blood samples were collected on 516 patients (age 20-85 y). One venous sample was collected using a serum tube for the evaluation on a COBAS reference analyzer. A second venous sample was collected in a lithium heparin tube and was evaluated on the CardioChek PA analyzer (CCPA venous). A fingerstick sample (CCPA fingerstick) was evaluated only on the CardioChek PA analyzer. Linear regression analyses were performed for each measured analyte, total cholesterol, HDL-cholesterol and triglycerides. The correlation between the CCPA fingerstick and CCPA venous was extremely high for HDL-C and triglycerides, and good for total cholesterol. Our results demonstrated a good clinical agreement for total cholesterol, HDL-C and triglycerides between 97.7% and 94.6% in the comparison of the CCPA to the reference analyzer. We identified the pre-analytic phase as an important step to guarantee the quality of results and indicate that the CardioChek PA is a reliable lipid point-of-care testing system that can be used for the application of clinical screening anywhere.