Model selection methodology for inter-laboratory standardisation of antibody titres

George Kafatos, Nicholas Andrews, Anthony Nardone, J. Backhouse, L. Gilbert, S. Broodhaers, P. Van Damme, L. De Cock, H. Theeten, R. Vranckx, N. Gatcheva, Z. Mihneva, V. Voynova, C. Hadjianastassiou, M. Zarvou, B. Kriz, V. Nemecek, N. Andrews, W. J. Edmunds, N. GayD. Gelb, L. Hesketh, G. Kafatos, Elizbeth Miller, P. Morgan-Capner, Richard Pebody, I. Davidkin, R. M. Ölander, M. Valle, W. Hellenbrand, W. Thierfelder, A. Tischer, C. Anastassopoulou, A. Hatzakis, A. Tsakris, K. Bartha, I. Karacs, I. Lontai, M. Melles, M. Carton, L. Jones, D. O'Flanagan, Y. Aboudy, D. Cohen, M. Green, E. Marva, Z. Smetana, G. Gabutti, A. Giammanco, G. Icardi, C. Rota, S. Salmaso, C. Von Hunolstein, J. Bebris, A. Duks, J. Perevoscikovs, I. Rezebergs, I. Selga, I. Velicko, V. Baksenas, A. Griskevicius, J. Suracienne, J. Mossong, F. Schneider, A. Amato-Gauci, C. Barbara, G. Berbers, H. De Melker, V. Alexandrescu, D. Butur, E. Lupulesku, A. Pistol, R. Viorica, B. Černáková, J. Lančová, E. Máderová, I. Rovný, M. Slačiková, A. Kraigher, K. Prosenc, M. V.M. De Aragón, F. De Ory, J. M. Echevarria, R. M. Carlsson, K. Johansen, E. Reizenstein

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)

    Abstract

    The aim of the European Sero-Epidemiology Network 2 (ESEN2) is to compare standardised serological results of vaccine preventable diseases across Europe. In order to adjust for laboratory and assay differences, the participant laboratories tested a standardisation panel for each disease and the results were plotted against those of a reference centre in order to obtain standardisation equations. We describe an algorithm for obtaining these equations which took into account outliers, censored data and model selection, and needed to be robust due to the variety of assays and diseases under investigation. If the standardisation equations explained sufficient variability, these were used to convert each country's main serum bank results to a common unitage, thereby allowing international comparisons to be made.

    Original languageEnglish
    Pages (from-to)5022-5027
    Number of pages6
    JournalVaccine
    Volume23
    Issue number42
    DOIs
    Publication statusPublished - 10 Oct 2005

    Keywords

    • Assay comparison
    • Sero-epidemiology
    • Standardisation equation

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