Evaluation of automatic annotation by a multi-terminological concepts extractor within a corpus of data from family medicine consultations.

Int J Med Inform

Department of General Medicine, Rouen University Hospital, Rouen, France; INSERM, U1142, Laboratoire d'Informatique Médicale et d'Ingénierie des Connaissances en e-Santé, LIMICS, Sorbonne Université, Paris, France.

Published: January 2020

AI Article Synopsis

  • Research in family medicine aims to enhance care quality, but the number of publications remains low; using Electronic Medical Records (EMRs) can help increase this output through proper data coding.
  • The study involved analyzing French consultation data from general practitioners, utilizing 28 different terminologies for annotation, and evaluating the tool's accuracy through precision, recall, and F-measure across two evaluations.
  • Results showed strong precision and recall rates for the automatic annotations, indicating that a multi-terminological extractor can improve data coding in family medicine, suggesting integration into practitioners' software and encouraging a unified terminology for better information sharing.

Article Abstract

Introduction: Research in family medicine is necessary to improve the quality of care. The number of publications in general medicine remains low. Databases from Electronic Medical Records can increase the number of these publications. These data must be coded to be used pertinently. The objective of this study was to assess the quality of semantic annotation by a multi-terminological concept extractor within a corpus of family medicine consultations.

Method: Consultation data in French from 25 general practitioners were automatically annotated using 28 different terminologies. The data extracted were classified into three groups: reasons for consulting, observations and consultation results. The first evaluation led to a correction phase of the tool which led to a second evaluation. For each evaluation, the precision, recall and F-measure were quantified. Then, the inter- and intra-terminological coverage of each terminology was assessed.

Results: Nearly 15,000 automatic annotations were manually evaluated. The mean values for the second evaluation of precision, recall and F-measure were 0.85, 0.83 and 0.84 respectively. The most common terminologies used were SNOMED CT, SNOMED 3.5 and NClt. The terminologies with the best intra-terminological coverage were ICPC-2, DRC and CISMeF Meta-Terms.

Conclusion: A multi-terminological concepts extractor can be used for the automatic annotation of consultation data in family medicine. Integrating such a tool into general practitioners' business software would be a solution to the lack of routine coding. Developing the use of a single terminology specific to family medicine could improve coding, facilitate semantic interoperability and the communication of relevant information.

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http://dx.doi.org/10.1016/j.ijmedinf.2019.104009DOI Listing

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