Displaying results 1 - 2 of 2
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Text-Processing of VA Clinical Notes to Improve Case Detection Models for Influenza-like Illness
Content Type: Abstract
Objective There were two objectives of this analysis. First, apply text-processing methods to free-text clinician notes extracted from the VA electronic medical record for automated detection of Influenza-Like-Illness. Secondly,… read more… determine if use of data from free-text clinical documents can be used to enhance the predictive ability of case detection models based on coded data. Document … determine if use of data from free-text clinical documents can be used to enhance the predictive ability of … -
Identifying Contextual Features to Improve the Performance of an Influenza-Like Illness Text Classifier
Content Type: Abstract
To understand the types of false positive cases identified by an Influenza-like illness (ILI) text classifier by measuring the prevalence of ILI-related concepts that are negated, hypothetical, include explicit mention of temporality, experienced by… read more… described in templated text that is difficult to process. Document … on symptoms, problems, or findings from electronic note documents. False positive extractions may be due to concepts … of these strings. Two reviewers annotated the same document set with a third reviewer completing a blinded …