Tools, Technologies and Training for Healthcare Laboratories

Sigma Metric Analysis

Beckman Coulter HMX

A frequent visitor to Westgard Web, Mary McDermott MT(ASCP), shared with us her performance data on the Beckman Coulter HMX hematology instrument. Data was collected for three controls, one lot each. No bias data was available, so the resulting metrics are provisional and incomplete. However, it is possible to calculate the allowable bias for specific levels of Sigma performance.

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