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Evaluation of the analytical performance of the Nova StatSensor creatinine meter and reagent strip technology for
Kareena L Schnabl1, Sousan Bagherpoor, Pauline Diker
1Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada.
Objective:
To evaluate the analytical performance of the Nova StatSensor creatinine meter.
Design And Methods:
Imprecision, linearity, patient correlation and interference studies were completed.
Results:
Total imprecision was 4.5-9.1%CV and a linear measurement range of 93-863 micromol/L (1.05-9.76 mg/dL) was verified. Whole blood creatinine results correlated well with laboratory plasma measurements (R(2)=0.9328) but exhibited a negative proportional bias. In vitro, high levels of creatine and urea falsely elevated creatinine measurement.
Conclusions:
The creatinine meter provides reliable measurement across a clinically relevant range and has potential use in point-of-care testing.
