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Littérature scientifique sur le sujet « Westgard Rules »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Westgard Rules"

Putri, Oktavia Amanda, Woro Umi Ratih, and Monika Putri Solikah. "Quality Control Inspection Results Platelets and Leukocytes Based on the Westgard Rule and Six Sigma at Rs Pku Muhammadiyah Bantul." Journal of Social Science 5, no. 4 (2024): 1159–67. http://dx.doi.org/10.46799/jss.v5i4.882.

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Internal Quality Consolidation (PMI) is a preventive and monitoring activity carried out by each laboratory continuously so that errors or deviations do not occur so that correct inspection results are obtained, one of which is carrying out quality control (QC) using the Westgard Rule and Six Sigma . The Westgard rule is used to see whether there are analytical errors that occur with the 12 S , 13 S , 22 S , R4 S , 41 S , 10 X series of rules . Six sigma is used to assess the quality of a laboratory's performance by looking at the minimum sigma value level with a value of 3σ and a maximum of ≥

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Bayat, Hassan, and Sten Westgard. "Reply to Christelli et al.: Implementation of new Westgard Rules suggested by the Westgard Advisor software for five immunological parameters. What Six Sigma, quality control, the analytical Sigma-metric, and Westgard Advisor can and cannot do." Biochemia medica 35, no. 2 (2025): 169–71. https://doi.org/10.11613/bm.2025.020401.

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The study of Cristelli et al. attempted to find fault with the rules suggested by Westgard Advisor software, claiming that implementing those rules did not improve the method performance. A fundamental misunderstanding of the utility and purpose of the analytical Sigma-metric and QC rules needs to be clarified.

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Bishop, J., and A. B. Nix. "Comparison of quality-control rules used in clinical chemistry laboratories." Clinical Chemistry 39, no. 8 (1993): 1638–49. http://dx.doi.org/10.1093/clinchem/39.8.1638.

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Abstract Numerous papers have been written to show which combinations of Shewhart-type quality-control charts are optimal for detecting systematic shifts in the mean response of a process, increases in the random error of a process, and linear drift effects in the mean response across the assay batch. One paper by Westgard et al. (Clin Chem 1977;23:1857-67) especially seems to have attracted the attention of users. Here we derive detailed results that enable the characteristics of the various Shewhart-type control schemes, including the multirule scheme (Clin Chem 1981;27:493-501), to be calcu

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Rahmani, Afina Rusyda, Arifiani Agustin Amalia, and Dhiah Novalina. "Analisis Quality Control (QC) Pemeriksaan Albumin Dan Bilirubin Menggunakan Kontrol Harian Dan Matriks Sigma." Borneo Journal of Medical Laboratory Technology 7, no. 1 (2024): 481–89. https://doi.org/10.33084/bjmlt.v7i1.7863.

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Quality control (QC) merupakan suatu proses evaluasi pengujian mutu laboratorium yang bertujuan untuk menjamin sistem mutu laboratorium. Six sigma merupakan indikator kualitas yang digunakan untuk mengevaluasi kinerja analitik. Penelitian ini bertujuan untuk mengetahui nilai data kontrol harian melalui evaluasi grafik Levey-jennings dan mengetahui nilai sigma beserta DPMO pada pemeriksaan albumin dan bilirubin total. Metode penelitian yang digunakan yaitu metode deskriptif kuantitatif dengan pendekatan penelitian cross sectional. Metode pengambilan sampel pada penelitian ini menggunakan Teknik

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Levine, Jacob B. "How the Westgard QC Rules Got Their Name: A Personal Recollection." Clinical Chemistry 64, no. 5 (2018): 874–76. http://dx.doi.org/10.1373/clinchem.2018.288696.

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Dau, Daniel, Ferdy Royland Marpaung, and Puspa Wardhani. "Internal quality analysis of hematology examination using Westgard rules and six sigma, quality goal index, and root cause analysis at the remote clinical laboratory." Bali Medical Journal 13, no. 3 (2024): 1434–39. https://doi.org/10.15562/bmj.v13i3.5430.

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Introduction: The complete blood count (CBC) results are very important in clinical diagnosis decisions for patients. Imprecision and inaccuracy may lead to errors in patient diagnosis and treatment. To ensure a valid result, it is critical to evaluate the laboratory quality control (QC). However, QC evaluation in very remote areas remains scarce. This study aims to analyze the presentation of blood count quality control in a remote laboratory. Methods: The study collected 90 samples of quality control measurements in August 2023. The research data were analyzed using Westgard guidelines, Six

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Linnet, Kristian. "EZ rules: Automatic Selection of Statistical Control Rules for Laboratory Tests. Westgard QC, Inc. Madison, WI: Westgard QC, Inc., 2000, 154 pp., $295.00. ISBN 1-886958-14-9." Clinical Chemistry 48, no. 3 (2002): 594–95. http://dx.doi.org/10.1093/clinchem/48.3.594.

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Prasetya, Hieronymus Rayi, Nurlaili Farida Muhajir, and Magdalena Putri Iriyanti Dumatubun. "PENGGUNAAN SIX SIGMA PADA PEMERIKSAAN JUMLAH LEUKOSIT DI RSUD PANEMBAHAN SENOPATI BANTUL." Journal of Indonesian Medical Laboratory and Science (JoIMedLabS) 2, no. 2 (2021): 165–74. http://dx.doi.org/10.53699/joimedlabs.v2i2.72.

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Internal quality assurance is a prevention and control activity that must be carried out by the laboratory continuously and covers all aspects of laboratory examination parameters. Hematology examination in the laboratory is carried out using a Hematology analyzer, but this tool has limitations, one of which is that it can make leukocyte count reading errors. In order for the results of the tool to be reliable, it is necessary to carry out quality control on the hematology analyzer. The use of Westgard multirule is commonly used in laboratories, but the application of six sigma is still very r

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Bietenbeck, Andreas, Markus A. Thaler, Peter B. Luppa, and Frank Klawonn. "Stronger Together: Aggregated Z-values of Traditional Quality Control Measurements and Patient Medians Improve Detection of Biases." Clinical Chemistry 63, no. 8 (2017): 1377–87. http://dx.doi.org/10.1373/clinchem.2016.269845.

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Abstract BACKGROUND In clinical chemistry, quality control (QC) often relies on measurements of control samples, but limitations, such as a lack of commutability, compromise the ability of such measurements to detect out-of-control situations. Medians of patient results have also been used for QC purposes, but it may be difficult to distinguish changes observed in the patient population from analytical errors. This study aims to combine traditional control measurements and patient medians for facilitating detection of biases. METHODS The software package “rSimLab” was developed to simulate mea

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Blum, A. S. "Computer evaluation of statistical procedures, and a new quality-control statistical procedure." Clinical Chemistry 31, no. 2 (1985): 206–12. http://dx.doi.org/10.1093/clinchem/31.2.206.

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Abstract I describe a program for definitive comparison of different quality-control statistical procedures. A microcomputer simulates quality-control results generated by repetitive analytical runs. It applies various statistical rules to each result, tabulating rule breaks to evaluate rules as routinely applied by the analyst. The process repeats with increasing amounts of random and systematic error. Rate of false rejection and true error detection for currently popular statistical procedures were comparatively evaluated together with a new multirule procedure described here. The nature of

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Livres sur le sujet "Westgard Rules"

Coppel KC, Philip. Information Rights. 6th ed. Bloomsbury Publishing Plc, 2023. http://dx.doi.org/10.5040/9781509967339.

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“An essential addition to the bookshelf of any practitioner who has to consider information rights, however often. The book is the best kind of practitioner text: practical and clear, but also scholarly, thoughtful and analytical.” (Sarah Hannett KC, Judicial Review) Retaining the position it has held since first publication, this is the 6th edition of the leading practitioner text on all aspects of information law. The latest edition includes a substantially enlarged set of chapters on appeals, enforcement, and remedies, as well as covering over 250 new judgments and decisions published since

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