scholarly journals Sources of Variability and Accuracy of Performance Assessment in the Clinical Pharmacology Quality Assurance Proficiency Testing Program for Antiretrovirals

2019 ◽  
Vol 41 (4) ◽  
pp. 452-458 ◽  
Author(s):  
Richard W. Browne ◽  
Susan L. Rosenkranz ◽  
Yan Wang ◽  
Charlene R. Taylor ◽  
Robin DiFrancesco ◽  
...  
2007 ◽  
Vol 33 (3) ◽  
pp. 250-258 ◽  
Author(s):  
Mark Cunningham ◽  
John Brandt ◽  
Wayne Chandler ◽  
Charles Eby ◽  
Timothy Hayes ◽  
...  

Author(s):  
Cuong Dang Huu ◽  

National Institute for Food Control Proficiency testing plays a very important role in ensuring the quality of testing. Based on the results of the proficiency testing, the managers as well as the relevant members could assess the technical competence of the laboratory. Participating in proficiency testing is an evidence that a laboratory is implementing a quality management program in accordance with ISO/IEC 17025. Through the proficiency testing program, the participating laboratories themselves could evaluate their capabilities and address the causes affecting the quality of tests so as to take measures to ensure better quality assurance. This study provides a snapshot of the testing capacity of food testing laboratories within and outside the health sector based on chemistry proficiency testing conducted by the National Institute for Food Control (NIFC) in 2017.


2002 ◽  
Vol 85 (4) ◽  
pp. 952-959 ◽  
Author(s):  
Jean-Christophe Augustin ◽  
Vincent Carlier

Abstract The proficiency testing program in food microbiology (Réseau d' Analyses et d'Echanges en Microbiologie des Aliments; RAEMA), created in 1988, currently includes 440 participating laboratories. The program establishes proficiency in detection of Salmonella and Listeria monocytogenes, as well as quantitation of aerobic microorganisms, Enterobacteriaceae, coliforms, Escherichia coli, Clostridium perfringens, coagulase-positive Staphylococcus, and Listeria monocytogenes. Twice a year, 5 test samples are sent to participants to assess their precision and trueness for enumeration and detection of microorganisms. Results show an increasing involvement of food microbiology laboratories in quality assurance programs and use of standard and validated analytical methods. However, the percentage of laboratories obtaining questionable and unsatisfactory microbiological results remains relatively onstant.


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