Calibration bias and imprecision for automated hematology analyzers. An evaluation of significance of short-term bias resulting from calibration of an analyzer with S Cal.


A Coulter S + IV analyzer was used both before and after recalibration with S Cal to analyze a series of patient blood specimens and stabilized control specimens. A statistically significant bias was introduced as compared with results on the same analyzer calibrated to fresh whole blood, but the degree of bias did not appear to approach medical… (More)


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