System and method for determining sigma of a clinical...

G - Physics – 06 – F

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G06F 19/00 (2011.01) G01N 33/48 (2006.01) G06F 17/18 (2006.01)

Patent

CA 2759416

A system and method for determining a sigma of a clinical diagnostic process are disclosed. Specimen data are collected from a plurality of laboratory instruments. The specimen data are evaluated to determine a concentration and an analytical standard deviation for each data point. A clinical diagnostic process is run and patient analyte values are acquired, and a standard deviation is assigned to each patient analyte value based on the standard deviation of specimen data having a corresponding concentration. A single sigma-metric is computed based on the patient analyte assigned standard deviations, the sigma- metric representing the sigma of the clinical diagnostic process. The computed sigma-metric is reported to a user or laboratory manager.

Cette invention concerne un système et un procédé de détermination de la valeur sigma d?un processus de diagnostic clinique. Des données d?un spécimen sont recueillies à partir de plusieurs instruments de laboratoire. Ces données sont évaluées pour déterminer une concentration et un écart type analytique pour chaque point de données. Un processus de diagnostic clinique est effectué et des valeurs d?analytes relatifs à un patient sont obtenues, un écart type étant assigné à chacune de ces valeurs d?après l?écart type des données du spécimen d?une concentration correspondante. Une valeur sigma unique est calculée d?après les écarts types assignés aux analytes relatifs au patient, la valeur du sigma représentant le sigma du processus de diagnostic clinique. La valeur sigma calculée est communiquée à l?utilisateur ou au chef de laboratoire.

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