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    Qualitätssicherung bei der Erhebung und Aufarbeitung von epidemiologischen Studiendaten (2001)

    Art
    Zeitschriftenartikel / wissenschaftlicher Beitrag
    Autoren
    Greiner, M.
    Baumann, Maximilian
    Zessin, Karl Hans
    Quelle
    Deutsche tierärztliche Wochenschrift : DTW; 108(11) — S. 443–449
    ISSN: 0341-6593
    Verweise
    Pubmed: 11765598
    Kontakt
    Institut für Parasitologie und Tropenveterinärmedizin

    Robert-von-Ostertag-Str. 7-13
    Gebäude 35, 22, 23
    14163 Berlin
    Tel.+49 30 838 62310 Fax.+49 30 838 62323
    email:parasitologie@vetmed.fu-berlin.de

    Abstract / Zusammenfassung

    uality assurance of data generating processes in epidemiological studies is a prerequisite for the internal validity of study results. This paper presents practical aspects of such a quality assurance system pertaining to the planning, data gathering, data entry and data processing phase of a study. It is concerned with data obtained in the framework of a project rather than with data accumulating continuously in private practices, research institutes or veterinary faculties. During the planning phase of a project, standard operating protocols should be developed that assure a reliable performance of observation, coding and data entry. The data base structure, consisting of tables, input validation rules and queries, should be predefined and well documented. A data safety concept will provide the necessary integrity, physical safety and availability of the data. The paper presents technical solutions to common data processing problems with emphasis on re-coding and relational database facilities (Microsoft-ACCESS) using a hypothetical study on risk factors for mastitis.