Interoperability of medical databases: construction of mapping between hospitals laboratory results assisted by automated comparison of their distributions.

نویسندگان

  • Grégoire Ficheur
  • Emmanuel Chazard
  • Aurélien Schaffar
  • Matthieu Genty
  • Régis Beuscart
چکیده

In hospital information systems, laboratory results are stored using specific terminologies which may differ between hospitals. The objective is to create a tool helping to build a mapping between a target terminology (reference dataset) and a new one. Using a training sample consisting of correct and incorrect correspondences between parameters of different hospitals, a match probability score is built. This model also enables to determine the theoretical conversion factor between two parameters. This method is evaluated on a test sample of a new hospital: For each reference parameter, best candidates are returned and sorted in decreasing order using the probability given by the model. The correct correspondent of 14 among 15 reference parameters are ranked in the top five among more than 70. All conversion factors are correct. A mapping webtool is built to present the essential information for best candidates. Using this tool, an expert has found all the correct pairs.

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عنوان ژورنال:
  • AMIA ... Annual Symposium proceedings. AMIA Symposium

دوره 2011  شماره 

صفحات  -

تاریخ انتشار 2011