Results 221 to 230 of about 642,758 (265)

External quality assessment data analysis by microcomputer

Computers in Biology and Medicine, 1987
Microcomputers are now widely used in clinical laboratories because of their low price and the availability of a wide variety of software that can be adapted to the users' requirements. The continuously increasing numbers of patients, tests and the use of automation are additional factors which emphasize the need for computers. A microcomputer software
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External quality assessment for immunohistochemistry: experiences from NordiQC

Biotechnic & Histochemistry, 2015
Immunohistochemistry (IHC) is applied routinely in surgical and clinical pathology, because it is essential for diagnosis and sub-classification of many neoplastic lesions. Despite its extensive use for more than 40 years, lack of standardization is a major problem; many factors during the pre-analytical, analytical and post-analytical phases affect ...
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Interlaboratory comparison/external quality assessment

Annales de biologie clinique, 2011
External quality assessment is an important issue in the demonstration of the quality of analytical process. The aim of this document is to help the laboratory in the choice, implementation and interpretation of external quality assessment schemes.
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External Quality Assessment Schemes for Immunoassays

1981
Radioimmunoassays (RIAs) are complex and expensive procedures, yet when properly performed they yield information which has much greater clinical value than most of the simpler analyses in clinical chemistry. Thus, assays of T3, T4 and TSH together provide a very precise measure of the status of the pituitary—thyroid axis; in so doing, they replace ...
W. M. Hunter, I. Mckenzie, R. R. A. Bacon   +2 more
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External quality assessment of prothrombin time: The split‐sample model compared with external quality assessment with commercial control material

Scandinavian Journal of Clinical and Laboratory Investigation, 2006
CoaguChek S is a point-of-care, whole-blood, prothrombin time monitor. The purpose of this study was to compare two different methods for external quality assessments of CoaguChek S.In the traditional external quality assessment scheme, commercial control material was sent to office laboratories and the results were compared with a method-specific ...
U Ø, Sølvik, A, Stavelin, N G, Christensen, S, Sandberg   +3 more
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Assessing quality on the Sigma scale from proficiency testing and external quality assessment surveys

Clinical Chemistry and Laboratory Medicine (CCLM), 2015
AbstractThere is a need to assess the quality being achieved for laboratory examinations that are being utilized to support evidence-based clinical guidelines. Application of Six Sigma concepts and metrics can provide an objective assessment of the current analytical quality of different examination procedures.A “Sigma Proficiency Assessment Chart” can
James O, Westgard, Sten A, Westgard
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Harmonization and external quality assessment of antithrombin activity assays

Thrombosis Research, 2012
In the framework of a Dutch project named "Calibration 2000" harmonization of antithrombin activity assays was studied. The commutability of potential calibrators for antithrombin was assessed by means of a twin-study design, which is a multicentre, split-patient sample, between-field-methods protocol.
Besselaar, A.M.H.P. van den, Haas, F.J.L.M., Kuypers, A.W.H.M.   +2 more
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The external quality assessment schemes in Thailand.

Rinsho byori. The Japanese journal of clinical pathology, 2002
In Thailand, the external quality assessment schemes have been organized by 2 main institutions:--The Department of Medical Science, Ministry of Public Health and The Faculty of Medical Technology, Mahidol University. Both schemes were initiated simultaneously by WHO experts in 1973.
Nisarat, Opartkiattikul, Sasitorn, Bejrachandra   +1 more
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Do External Quality Assessment Programs Guarantee Quality?

Drug Information Journal, 1994
The pharmaceutical industry is obliged to collect data to quantify the effects of new medications on the biochemical and hematological profiles of human volunteers and patients, in addition to assessing clinical parameters which measure efficacy.
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External Quality Assessment in the Quality Management of POCT

Point of Care: The Journal of Near-Patient Testing & Technology, 2005
Harold Richardson, Jane Gun-Munro, Astrid Petersons, Sharon Webb   +3 more
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