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. 2010 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.
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. 2010 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.
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