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O. Box 107  \n2250 AC Voorschoten The Netherlands Website:  \n[www.ECAT.nl](www.ECAT.nl)  \n[E-mail:](E-mail:)  \n[info@ecat.nl](info@ecat.nl)  \nPhone:+31.(0)71.3030910 Fax:  \n+31.(0)71.3030919  \nEditor in Chief:  \nP. ter Hark  \nEditorial Board:  \nP. ter Hark  \nP. Meijer  \nAdvisory Committee:  \nE. van Cott  \nK. Devreese  \nD. Peetz  \nA. Stroobants  \nEditorial  \nIt is our pleasure to present to you the ninth issue of the ECAT Newsletter. This issue starts with a Focus Article describing how to establish the mean and standard deviation of the internal quality control samples necessary to construct control charts. For this the Bayesian approach is used with an example of D-dimer. A practical tool for this common problem is included.  \nWe are happy to announce that the abstracts and presentations of the 9th ECAT Participants’ Meeting are now available on the ECAT website.  \nIn the section ‘ECAT information’we ask for your attention to the correct use of the \u003C and > estimators in the result submission facility. Furthermore, information is given about an external quality assessment (EQA) programme for the CoaguChek XS/XSpro (POCT) . A case report describes a patient with Lupus AnticoagulantHypoprothrombinemia Syndrome. The rubric entitled “Literature Reviews” highlights a recent study where the minimum citrate tube fill for routine coagulation testing was investigated.  \nWe hope you enjoy reading this informative newsletter.  \nThe editorial board and advisory committee wish you a healthy 2015.  \nPetra ter Hark  \nContent  \nFocus Article: How to establish the mean and standard deviation of internal quality control samples to  \n construct control charts. The Bayesian approach with an example of D-dimer 2-4   \nECAT Information: The correct use of the \u003C and > estimator in the result submission facility 5  \nD-Dimer questionnaire 5  \nExternal quality control for CoaguChek XS INR monitors 6  \nCase report: Lupus Anticoagulant-Hypoprothrombinemia Syndrome 7-10  \n\n| Literature review: | Minimum citrate tube fill volume for routine coagulation testing | 11 |\n| --- | --- | --- |\n\nNews  \nAbstracts and presentations for the ECAT symposium  \nAbstracts and presentations from the last ECAT symposium are now available on the ECAT website.  \nSelect the homepage “ECAT Education”followed by “Education”. Log in with your labcode and password and select subsequently “ECAT Meeting”. Here you can find the abstracts and presentations of the 9th International symposium.  \nEQA for the CoaguChek POCT INR  \nThe ECAT have started a special External Quality Assessment programme for the CoaguChek POCT INR monitor.  \nMore information about this programme can be found on page 6 of this Newsletter.  \nCustomer Satisfaction Questionnaire  \nWe are interested in your opinion about the services of the ECAT external quality assessment programme. If you have not yet done so, please complete the customer satisfaction questionnaire which can be found in the member section of the ECAT website. Completion of the questionnaire takes approximately 10-15 minutes. We highly appreciate your cooperation.  \nTemplate for calculating the mean and standard deviation necessary for an Internal Quality Control Chart  \nIn this issue you can read a contribution from Dr. F. Sobas, Lyon, France who has developed a practical tool to established the mean and standard deviation of an  \ninternal control sample necessary to conduct a control chart. This Excel tool is now available on the ECAT website. Go to via the log in function to the member section. Select “IQC template”. Here you can download the Excel spreadsheet mentioned in the contribution of Dr. Sobas. Also to be found there are a short guideline on how to use the Excel spreadsheet as well as a document with more background about the Bayesian statistical approach for establishing the mean and standard deviation for internal quality control samples in the preliminary phase.  \nPage 1 is","cbCaiiaxBZKmElIN","https://ap.wps.com/l/cbCaiiaxBZKmElIN","pdf",1927367,11,"English","# Editorial\n## Focus Article\n## ECAT Information\n# News\n## Abstracts and presentations for the ECAT symposium\n## EQA for the CoaguChek POCT INR monitor\n# Customer Satisfaction Questionnaire\n# Template for calculating the mean and standard deviation","[{\"question\":\"What does the Focus Article in this issue explain?\",\"answer\":\"It explains how to establish the mean and standard deviation of internal quality control samples to construct control charts, using a Bayesian approach with an example of D-dimer.\"},{\"question\":\"Where can abstracts and presentations from the 9th ECAT Participants’ Meeting be found?\",\"answer\":\"They are available on the ECAT website under the ECAT Education and ECAT Meeting sections after logging in with the lab code and password.\"},{\"question\":\"What is included in the ECAT Information section?\",\"answer\":\"It covers correct use of the \\u003c and \\u003e estimators in the result submission facility, external quality assessment for the CoaguChek XS/XSpro (POCT) program, a case report on Lupus Anticoagulant-Hypoprothrombinemia Syndrome, and a literature review on minimum citrate tube fill volume for routine coagulation testing.\"}]","ECAT Newsletter - December 2014 Issue 9 | PDF",28]