Reference versus consensus values in proficiency testing of clinical chemistry: a statistical comparison based on laboratories results in Colombia

Morales, Clara; Giraldo, Ramón

doi:10.1007/s00769-019-01423-6

Cited by 4 publications

(3 citation statements)

References 13 publications

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“…In general, the expert group's consensus values are the suitable choice for assigned values in Vietnam. Many examples use the assigned value from the reference procedures and consensus values from expert groups in the EQA scheme because participants' results might be biased on average [ 7 , [14] , [15] , [16] , [17] , [18] , [19] ].…”

Section: Discussionmentioning

confidence: 99%

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Model of implementing proficiency testing in Vietnam, a developing country

Van,

Tran,

et al. 2023

Practical Laboratory Medicine

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Section: Discussionmentioning

confidence: 99%

“…The EQA scheme includes nine parameters: glucose, cholesterol, triglyceride, urea, creatinine, uric acid, ALT, AST, and GGT. These parameters have been the most laboratories enrolled in the biochemistry EQA [ 7 ]. These parameters in the serum were determined by a Beckman Coulter AU 480.…”

Section: Methodsmentioning

confidence: 99%

Model of implementing proficiency testing in Vietnam, a developing country

Van,

Tran,

et al. 2023

Practical Laboratory Medicine

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“…Interlaboratory research plays an essential role in ensuring the quality of laboratory testing. The growing interest in this topic reflects the scientific literature [ 9 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 ]. In interlaboratory comparisons (ILCs) dominate clinical chemistry, biochemistry, medicine, and pharmacy researches.…”

Section: Introductionmentioning

confidence: 99%

Interlaboratory Comparison as a Source of Information for the Product Evaluation Process. Case Study of Ceramic Tiles Adhesives

Stancu¹,

Michalak²

2021

Materials

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In this study, the results obtained by 19 laboratories participating in 2 editions of the interlaboratory comparison (ILC) determining 2 properties of ceramic tiles adhesives (CTAs), i.e., initial tensile adhesion strength and tensile adhesion strength after water immersion following EN 12004, were analyzed. The results show that participating laboratories maintain a constant quality of their work. The use of z-score analysis, under ISO 13528, allows for classifying 89.5% to 100% of laboratories as satisfactory, depending on the measurement’s kind and edition. The remaining laboratories are classified as questionable. The investigation of the predominant mode of failure of the CTA’s samples tested in the two editions shows significant differences. From the perspective of laboratories, the goal of the ILC has been achieved. From the standpoint of a manufacturer who evaluates a product’s properties when placing it on the market, the results indicate the necessity of a particular treatment of the product evaluation process because the variability of the obtained results is significant. It increases the possibility of the product failing to meet the assessment criteria verified by the construction market supervision authorities. The manufacturer must consider all possible variations in the risk analysis, including the ILC results, to improve the assessment process of CTAs.

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