Results 291 to 300 of about 646,696 (338)
Some of the next articles are maybe not open access.

Advantages of external quality assessment‐EQA programs

Haemophilia, 2022
AbstractIntroductionThe first external quality assessment (EQA) in Thrombosis and Haemostasis was elaborated over 20 years ago, and since then, several national and international EQA institutions have been established.AimDisplay the benefits of EQA programs.MethodsThe spectrum of EQA action was evaluated ranges from improving the performance of the ...
Silmara Aparecida de Lima Montalvão   +2 more
openaire   +2 more sources

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.
membres du sous-groupe analytique   +3 more
openaire   +2 more sources

External quality assurance and assessment in immunocytochemistry

Histopathology, 1989
A quality assurance scheme for immunocytochemistry was started in 1984. There are currently 140 participating laboratories, most of which have shown considerable improvement in their results since joining the scheme. In our experience the supplier of the primary antibody does not affect the quality of the results; the sensitivity of the method used and
openaire   +3 more sources

External quality assessment schemes for toxicology

Forensic Science International, 2002
A variety of external quality assurance (EQA) schemes monitor quantitative performance for routine biochemical analysis of agents such as paracetamol, salicylate, ethanol and carboxyhaemoglobin. Their usefulness for toxicologists can be lessened where the concentrations monitored do not extend fully into the toxic range or where the matrix is synthetic,
openaire   +3 more sources

External quality assessment of pertussis serology in Germany

European Journal of Clinical Microbiology & Infectious Diseases, 2012
The purpose of this investigation was to test the performance of pertussis serology in diagnostic laboratories. The World Health Organization (WHO) Reference Reagent (06/142) and a sample with a low level of antibodies were sent to 200 participants of an external quality assessment (EQA) programme in Germany. The results were reported qualitatively and
N. Kennerknecht   +5 more
openaire   +3 more sources

External Quality Assessment and the Laboratory Diagnosis of Thrombophilia

Seminars in Thrombosis and Hemostasis, 2005
External quality assessment is a tool to compare the result of a particular laboratory test in relation to those of other laboratories as well as to assess the performance of a laboratory test over a prolonged period of time. We evaluated the relationship between the between-laboratory variation and the sample category (normal, borderline, and abnormal)
Frits Haverkate, Piet Meijer
openaire   +3 more sources

External Quality Assessment of Quantitative Urinary Analysis

Annals of Clinical Biochemistry: International Journal of Laboratory Medicine, 1984
An external quality-assessment scheme was initiated among a group of 13 clinical chemistry laboratories for the urinary analysis of calcium, chloride, creatinine, glucose, osmolality, phosphate, potassium, protein, sodium, urate and urea and also for the estimation of creatinine clearance.
A E Hurrell, E F Legg
openaire   +3 more sources

Quality assessment of haemostatic assays and external quality assessment schemes

1999
The coagulation laboratory has a vital role in the diagnosis and management of patients with familial and acquired haemorrhagic and thrombotic disorders. Wherever possible the laboratory methods employed must reflect the state of the art, and the results generated, including locally derived reference values, should be reliable, reproducible and ...
Steve Kitchen   +2 more
openaire   +2 more sources

External Quality Assessment Scheme for Hemostasis in India

Seminars in Thrombosis and Hemostasis, 2007
Regular participation in an external quality assessment scheme (EQAS) is critical for ensuring acceptable laboratory performance. However, participation in such programs is uncommon for laboratories performing tests of hemostasis in developing countries.
Sukesh Chandran Nair   +2 more
openaire   +3 more sources

Quality goals in external quality assessment are best based on biology

Scandinavian Journal of Clinical and Laboratory Investigation, 1993
(1993). Quality goals in external quality assessment are best based on biology. Scandinavian Journal of Clinical and Laboratory Investigation: Vol. 53, No. sup212, pp. 8-9.
Per Hyltoft Petersen, Callum G. Fraser
openaire   +3 more sources

Home - About - Disclaimer - Privacy