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Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications

Nergiz Zorbozan, Orçun Zorbozan

Original articles, Volume 32, October, Issue 3

KEYWORDS: total quality management; preanalytical phase; quality indicators; six sigma

https://doi.org/10.11613/BM.2022.030701

Evaluation of the clinical chemistry tests analytical performance with Sigma Metric by using different quality specifications - Comparison of analyser actual performance with manufacturer data

Murat Keleş

Original articles, Volume 32, February, Issue 1

KEYWORDS: Six Sigma; total allowable error; quality control; biological variation

https://doi.org/10.11613/BM.2022.010703

Six Sigma revisited: We need evidence to include a 1.5 SD shift in the extraanalytical phase of the total testing process

Abdurrahman Coskun, Cristiano Ialongo

Short Communication, Volume 30, February, Issue 1

KEYWORDS: extraanalytical phase; shift; Sigma metric; Six Sigma; total testing process

https://doi.org/10.11613/BM.2020.010901

Mistaken assumptions drive new Six Sigma model off the road

Sten Westgard, Hassan Bayat, James O Westgard

Short Communications, Volume 29, February, Issue 1

KEYWORDS: Sigma metrics; Six Sigma; allowable total error

https://doi.org/10.11613/BM.2019.010903

Sigma metric revisited: True known mistakes

Abdurrahman Coskun, Mustafa Serteser, Ibrahim Ünsal

Short Communications, Volume 29, February, Issue 1

KEYWORDS: laboratory error; normal distribution; sigma metric; Six Sigma; uniform distribution

https://doi.org/10.11613/BM.2019.010902

Sigma metrics for assessing the analytical quality of clinical chemistry assays: a comparison of two approaches

Xiuzhi Guo, Tianjiao Zhang, Xuehui Gao, Pengchang Li, Tingting You, Qiong Wu, Jie Wu, Fang Zhao, Liangyu Xia, Ermu Xu, Ling Qiu, Xinqi Cheng

Original Papers: Special issue on Six Sigma metrics, Volume 28, June, Issue 2

KEYWORDS: Six Sigma; proficiency testing; internal quality control; allowable total error

https://doi.org/10.11613/BM.2018.020708

Risk analysis and assessment based on Sigma metrics and intended use

Yong Xia, Hao Xue, Cunliang Yan, Bowen Li, ShuQiong Zhang, Mingyang Li, Ling Ji

Original Papers: Special issue on Six Sigma metrics, Volume 28, June, Issue 2

KEYWORDS: risk analysis; risk assessment; Six Sigma; Sigma metrics; failure mode and effects analysis

https://doi.org/10.11613/BM.2018.020707

Sigma metrics in laboratory medicine revisited: We are on the right road with the wrong map

Wytze P. Oosterhuis, Abdurrahman Coskun

Review: Special issue on Six Sigma metrics, Volume 28, June, Issue 2

KEYWORDS: biological variation; Six Sigma; Sigma metrics; total error; number of distinct categories

https://doi.org/10.11613/BM.2018.020503

Analytical Sigma metrics: A review of Six Sigma implementation tools for medical laboratories

Sten Westgard, Hassan Bayat, James O Westgard

Review: Special issue on Six Sigma metrics, Volume 28, June, Issue 2

KEYWORDS: Six Sigma metrics; quality control frequency; OPSpecs chart; method decision chart; Westgard rules

https://doi.org/10.11613/BM.2018.020502

Special issue on Six Sigma metrics - experiences and recommendations

Sten Westgard, Hassan Bayat, James O Westgard

Editorial: Special issue on Six Sigma metrics, Volume 28, June, Issue 2

KEYWORDS: Six Sigma; Sigma metrics; quality control

https://doi.org/10.11613/BM.2018.020301

Expected long-term defect rate of analytical performance in the medical laboratory: Assured Sigma versus observed Sigma

Hassan Bayat

Lessons in Biostatistics: Special issue on Six Sigma metrics, Volume 28, June, Issue 2

KEYWORDS: medical laboratory; Sigma metrics; Six Sigma; allowable total error

https://doi.org/10.11613/BM.2018.020101

SEARCH FOR ARTICLES

Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications

Evaluation of the clinical chemistry tests analytical performance with Sigma Metric by using different quality specifications - Comparison of analyser actual performance with manufacturer data

Six Sigma revisited: We need evidence to include a 1.5 SD shift in the extraanalytical phase of the total testing process

Mistaken assumptions drive new Six Sigma model off the road

Sigma metric revisited: True known mistakes

Sigma metrics for assessing the analytical quality of clinical chemistry assays: a comparison of two approaches

Risk analysis and assessment based on Sigma metrics and intended use

Sigma metrics in laboratory medicine revisited: We are on the right road with the wrong map

Analytical Sigma metrics: A review of Six Sigma implementation tools for medical laboratories

Special issue on Six Sigma metrics - experiences and recommendations

Expected long-term defect rate of analytical performance in the medical laboratory: Assured Sigma versus observed Sigma

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