Laboratorio Of Urgencias

Terrassa, Spain

Laboratorio Of Urgencias

Terrassa, Spain
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PubMed | Direccion Catlab., Fundacio Hospital Sant Joan Of Deu Of Martorell, Laboratorio Of Urgencias, Hospital Universitario Mutua Of Terrassa Catlab and 2 more.
Type: Journal Article | Journal: Revista de calidad asistencial : organo de la Sociedad Espanola de Calidad Asistencial | Year: 2015

To describe the study of the comparability of the measurements levels of biological tests processed in biochemistry in Catlabs 4 laboratories.Quality requirements, coefficients of variation and total error (CV% and TE %) were established. Controls were verified with the precision requirements (CV%) in each test and each individual laboratory analyser. Fresh serum samples were used for the comparability study. The differences were analysed using a Microsoft Access application that produces modified Bland-Altman plots.The comparison of 32 biological parameters that are performed in more than one laboratory and/or analyser generated 306 Bland-Altman graphs. Of these, 101 (33.1%) fell within the accepted range of values based on biological variability, and 205 (66.9%) required revision. Data were re-analysed based on consensus minimum specifications for analytical quality (consensus of the Asociacin Espaola de Farmacuticos Analistas (AEFA), the Sociedad Espaola de Bioqumica Clnica y Patologa Molecular (SEQC), the Asociacin Espaola de Biopatologa Mdica (AEBM) and the Sociedad Espaola de Hematologa y Hemoterapia (SEHH), October 2013). With the new specifications, 170 comparisons (56%) fitted the requirements and 136 (44%) required additional review. Taking into account the number of points that exceeded the requirement, random errors, range of results in which discrepancies were detected, and range of clinical decision, it was shown that the 44% that required review were acceptable, and the 32 tests were comparable in all laboratories and analysers.The analysis of the results showed that the consensus requirements of the 4 scientific societies were met. However, each laboratory should aim to meet stricter criteria for total error.


Alsius-Serra A.,Bioquimica Catlab | Ballbe-Anglada M.,Bioquimica Catlab | Lopez-Yeste M.L.,Calidad Catlab | Buxeda-Figuerola M.,Laboratorio Of Urgencias | And 4 more authors.
Revista de Calidad Asistencial | Year: 2015

Objective To describe the study of the comparability of the measurements levels of biological tests processed in biochemistry in Catlab's 4 laboratories. Material and methods Quality requirements, coefficients of variation and total error (CV% and TE %) were established. Controls were verified with the precision requirements (CV%) in each test and each individual laboratory analyser. Fresh serum samples were used for the comparability study. The differences were analysed using a Microsoft Access® application that produces modified Bland-Altman plots. Results The comparison of 32 biological parameters that are performed in more than one laboratory and/or analyser generated 306 Bland-Altman graphs. Of these, 101 (33.1%) fell within the accepted range of values based on biological variability, and 205 (66.9%) required revision. Data were re-analysed based on consensus minimum specifications for analytical quality (consensus of the Asociación Española de Farmacéuticos Analistas (AEFA), the Sociedad Española de Bioquímica Clínica y Patología Molecular (SEQC), the Asociación Española de Biopatología Médica (AEBM) and the Sociedad Española de Hematología y Hemoterapia (SEHH), October 2013). With the new specifications, 170 comparisons (56%) fitted the requirements and 136 (44%) required additional review. Taking into account the number of points that exceeded the requirement, random errors, range of results in which discrepancies were detected, and range of clinical decision, it was shown that the 44% that required review were acceptable, and the 32 tests were comparable in all laboratories and analysers. Conclusions The analysis of the results showed that the consensus requirements of the 4 scientific societies were met. However, each laboratory should aim to meet stricter criteria for total error. © 2015 SECA. Published by Elsevier Espaa, S.L.U. All rights reserved.

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