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Littérature scientifique sur le sujet « Levey- Jennings Chart »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Levey- Jennings Chart"

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Sufinah Dahari. "Modified Levey-Jennings Chart with Robust Estimator: A Case of Semiconductor Manufacturing Process." Journal of Advanced Research in Applied Sciences and Engineering Technology 43, no. 2 (2024): 189–202. http://dx.doi.org/10.37934/araset.43.2.189202.

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In the era of Industrial Revolution 4.0 and smart manufacturing, the development and deployment of control charts used in the semiconductor industry need to be automated. Consequently, artificial intelligence-based automation methods typically encompass the deployment of statistical software such as JMP. Automation involves frequent dataset updates; the control limits are recalculated as the parameters change (non-stationary behaviour). This requires the user to define the control chart type before its deployment on the production floor. An initially normally distributed dataset may be skewed

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Alwan, L. C., and M. G. Bissell. "Time series modeling for quality control in clinical chemistry." Clinical Chemistry 34, no. 7 (1988): 1396–406. http://dx.doi.org/10.1093/clinchem/34.7.1396.

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Abstract Autocorrelation of clinical chemistry quality-control (Q/C) measurements causes one of the basic assumptions underlying the use of Levey-Jennings control charts to be violated and performance to be degraded. This is the requirement that the observations be statistically independent. We present a proposal for a new approach to statistical quality control that removes this difficulty. We propose to replace the current single control chart of raw Q/C data with two charts: (a) a common cause chart, representing a Box-Jenkins ARIMA time-series model of any underlying persisting nonrandomne

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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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J, Nadaf Sameer, and Suresh G. Killedar. "Method Development and Validation for Estimation of Curcumin in Fabricated Nano-Sized Formulation: Inter-Laboratory Comparison, Capability and Statistical Analysis." Pharmaceutical Methods 9, no. 2 (2018): 8. https://doi.org/10.5281/zenodo.14586239.

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Objective: Current work was designed to develop a simple, rapid, and cost effective spectrophotometric method for the determination of curcumin in fabricated and marketed nano-sized formulation. Method: Methanol was optimized as solvent and further spectrophotometric detection was carried at analytical wavelength i.e. 421 nm. Method was further validated as per International conference on Harmonisation (ICH) guidelines for linearity, specificity, accuracy, precision; ruggedness and robustness. Results: The concentration of curcumin over range of 1-10 µg/ml obeys Beers law with a correlat

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Yudita, Ferina, Dwi Purbayanti, Fitria Hariati Ramdhani, and Eka Jaya. "Evaluasi Kontrol Kualitas Pemeriksaan Glukosa Darah di Laboratorium X Palangka Raya." Borneo Journal of Medical Laboratory Technology 5, no. 2 (2023): 358–65. http://dx.doi.org/10.33084/bjmlt.v5i2.5184.

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Quality Control is a managerial procedure to adjust the laboratory examination (analytic) stages and detect errors early. The purpose of this study was to describe the quality control in laboratory X in the city of Palangka Raya. The method used is the descriptive method. The results showed that in April 2022, the Mean (88,1 mg/dL), SD (1,09 mg/dL), CV (1,24%), d (0,14%), TE (2,62%), TEa (10%), Sigma (7,94), and in May 2022 the Mean (87,9 mg/dL), SD (1,00 mg/dL), CV (1,13%), d (0,04%), TE (2,31%), TEa (10%), Sigma (8,79). According to the Ministry of Health, the maximum CV value is < 5%, so

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Asinas, J. M. "Applying The Best Practice For Internal Quality Control (IQC) Management, Consolidation And Review Process In Sidra Medicine Clinical Chemistry Division." American Journal of Clinical Pathology 154, Supplement_1 (2020): S91. http://dx.doi.org/10.1093/ajcp/aqaa161.199.

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Abstract Introduction/Objective The management of internal quality control (IQC) in Sidra Medicine Clinical Chemistry Division has been evaluated in order to promote a more consolidated and efficient process of IQC management. The statistical data produced from Cerner QC Module are transferred to IQC review templates consisting of formulas to auto- calculate parameters such as multiple of expected QC failure frequency and desirable comparison limit between analyzers. The IQC review and documentation process using the in-house excel template requires several hours to complete, hence a faster an

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Sharma, D. "Use of the microsoft excel for automated plotting of Levey Jennings charts." Indian Journal of Medical Microbiology 29, no. 4 (2011): 454. http://dx.doi.org/10.4103/0255-0857.90201.

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Anastasiou, A. P., and E. Psarouli. "P.3.8 RADIOIMMUNOASSAY QUALITY CONTROL PROTOCOLS: QUESTIONING THE NECESSITY OF LEVEY JENNINGS AND CUSUM CHARTS." Physica Medica 127 (November 2024): 104658. http://dx.doi.org/10.1016/j.ejmp.2024.104658.

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Khatri, Roshan, Sanjay KC, Prabodh Shrestha, and J. N. Sinha. "Implementing Self Sustained Quality Control Procedures in a Clinical Laboratory." Journal of Nepal Medical Association 52, no. 189 (2013): 233–37. http://dx.doi.org/10.31729/jnma.560.

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Introduction: Quality control is an essential component in every clinical laboratory which maintains the excellence of laboratory standards, supplementing to proper disease diagnosis, patient care and resulting in overall strengthening of health care system. Numerous quality control schemes are available, with combinations of procedures, most of which are tedious, time consuming and can be “too technical” whereas commercially available quality control materials can be expensive especially for laboratories in developing nations like Nepal. Here, we present a procedure performed at our centre wi

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Kamieniecki, E., and N. Brown. "P116 An R program for automatic quality control of single antigen bead assays via Levey-Jennings charts." Human Immunology 84 (September 2023): 72–73. http://dx.doi.org/10.1016/j.humimm.2023.08.018.

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