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. 2014 Nov 14:2014:282-8.
eCollection 2014.

Learning to identify treatment relations in clinical text

Cosmin A Bejan  1 , Joshua C Denny  2
Affiliations

Learning to identify treatment relations in clinical text

Cosmin A Bejan et al. AMIA Annu Symp Proc. .

Abstract

In clinical notes, physicians commonly describe reasons why certain treatments are given. However, this information is not typically available in a computable form. We describe a supervised learning system that is able to predict whether or not a treatment relation exists between any two medical concepts mentioned in clinical notes. To train our prediction model, we manually annotated 958 treatment relations in sentences selected from 6,864 discharge summaries. The features used to indicate the existence of a treatment relation between two medical concepts consisted of lexical and semantic information associated with the two concepts as well as information derived from the MEDication Indication (MEDI) resource and SemRep. The best F1-measure results of our supervised learning system (84.90) were significantly better than the F1-measure results achieved by SemRep (72.34).

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Figures

Figure 1
Figure 1
The connection between the relations identified by the MEDI algorithm and SemRep.
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