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Evaluation of the Performance of Randomized versus Fixed Time Schedules for Quality Control Procedures
Author(s) -
Curtis A. Parvin,
Sanford Robbins
Publication year - 2007
Publication title -
clinical chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.705
H-Index - 218
eISSN - 1530-8561
pISSN - 0009-9147
DOI - 10.1373/clinchem.2006.083311
Subject(s) - scheduling (production processes) , statistics , computer science , interval (graph theory) , mathematics , mathematical optimization , combinatorics
Although minimum regulatory standards exist for determining QC testing frequency, decisions regarding when and how to run QC samples are not standardized. Most QC testing strategies test control samples at fixed time intervals, often placing the samples in the same position on an instrument during subsequent QC events and leaving large gaps of time when control samples are never run, yet patient samples are being tested.

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