Tools, Technologies and Training for Healthcare Laboratories

Sigma-metrics of an AU 680

In 2016, Clinical Biochemistry published a study evaluating the Sigma-metrics of the Beckman Coulter Olympus AU 680 using biological variation goals.

Sigma-metrics Trueness Evaluation of Serum Albumin methods

In 2017, Clinical Chemistry published a study evaluating the trueness of 24 Serum Albumin methods.

Sigma-metrics of some Chemistry Instruments in China

Recently, with the help of some Chinese laboratorians, we translated the studies of Sigma-metrics of several chemistry instruments.

Sigma-metrics of an AU 5800

Back in 2011, we took a look at the Olympus AU 2700 plus. In 2016, it's time to take a look at the more recent models, like the Olympus AU 5800.

Analytical Bias Exceeds Desirable Quality Goals in 4 of 5 common Immunoassays

Bias exists! And in a recent Clinical Chemistry study, the authors found unacceptably large biases in 4 out of 5 common immunoassays: cobalamin, folate, ferritin, TSH, and Free T4.  Does a Sigma-metric analysis agree with this judgment?

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