James O Westgard
Overview
Explore the profile of James O Westgard including associated specialties, affiliations and a list of published articles.
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Articles
38
Citations
260
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Recent Articles
1.
Bayat H, Westgard S, Westgard J
Clin Chem Lab Med
. 2024 Jun;
62(12):2401-2404.
PMID: 38861264
While Six Sigma is used in different disciplines to improve quality, Tony Badric and Elvar Theodorsson in a recent paper in CCLM have questioned Six Sigma application in medical laboratory...
2.
Ricos C, Fernandez-Calle P, Perich C, Westgard J
Adv Lab Med
. 2023 Jun;
3(3):243-262.
PMID: 37362142
Objectives: This paper offers an historical view, through a summary of the internal quality control (IQC) models used from second half of twentyth century to those performed today and wants...
3.
Westgard J, Bayat H, Westgard S
Clin Chem Lab Med
. 2022 Jun;
60(9):e199-e201.
PMID: 35694816
No abstract available.
4.
Westgard J, Cervera J
Pract Lab Med
. 2022 Apr;
30:e00273.
PMID: 35465622
Background: Quality control (QC) in point-of-care (POC) testing has been greatly improved by automatic control processes, such as the Intelligent Quality Management (iQM®) technology found in GEM Premier blood gas...
5.
Bayat H, Westgard S, Westgard J
Clin Biochem
. 2022 Jan;
102:50-55.
PMID: 34998790
Background: Moving Average Algorithms (MAA) have been widely recommended for use in Patient Based Real Time Quality Control applications (PBRTQC) to supplement or replace traditional Internal Quality Control (IQC) techniques....
6.
Westgard S, Bayat H, Westgard J
Clin Chim Acta
. 2021 Sep;
523:216-223.
PMID: 34592308
Background: Efforts to improve QC for multi-test analytic systems should focus on risk-based bracketed SQC strategies, as recommended in the CLSI C24-Ed4 guidance for QC practices. The objective is to...
7.
Westgard J, Bayat H, Westgard S
Clin Chim Acta
. 2021 Aug;
523:1-5.
PMID: 34464612
Background: Risk-based Statistical QC strategies are recommended by the CLSI guidance for Statistical Quality Control (C24-Ed4). Using Parvin's patient risk model, QC frequency can be determined in terms of run...
8.
Bayat H, Westgard S, Westgard J
J Appl Lab Med
. 2020 Jul;
2(2):211-221.
PMID: 32630969
Background: Clinical and Laboratory Standards Institute (CLSI)'s new guideline for statistical quality control (SQC; C24-Ed4) (CLSI C24-Ed4, 2016; Parvin CA, 2017) recommends the implementation of risk-based SQC strategies. Important changes...
9.
Westgard S, Bayat H, Westgard J
Biochem Med (Zagreb)
. 2018 Dec;
29(1):010903.
PMID: 30591817
Oosterhuis and Coskun recently proposed a new model for applying the Six Sigma concept to laboratory measurement processes. In criticizing the conventional Six Sigma model, the authors misinterpret the industrial...
10.
Westgard J, Westgard S
Am J Clin Pathol
. 2018 Dec;
151(4):364-370.
PMID: 30517600
Objectives: To establish an objective, scientific, evidence-based process for planning statistical quality control (SQC) procedures based on quality required for a test, precision and bias observed for a measurement procedure,...