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Displaying results 9 - 16 of 829
  • SyCo: A Probabilistic Machine Learning Method for Classifying Chief Complaints into Symptom and Syndrome Categories

    Content Type: Abstract

    Scientists have utilized many chief complaint (CC) classification techniques in biosurveillance including keyword search, weighted keyword search, and naïve Bayes. These techniques may utilize CC-to-syndrome or CC-… read more
    … Scientists have utilized many chief complaint (CC) classification techniques in biosurveillance … search, and naïve Bayes. These techniques may utilize CC-to-syndrome or CC-to-symptom-to-syndrome classification approaches. In the … BACKGROUND Scientists have utilized many chief complaint (CC) classification techniques in biosurveillance including …
  • Tuning a Chief Complaint Text Parser for Use in DoD ESSENCE

    Content Type: Abstract

    An expanded ambulatory health record, the Comprehensive Ambulatory Patient Encounter Record (CAPER) will provide multiple types of data for use in DoD ESSENCE. A new type of data not previously available is the Reason for Visit (ROV), a free-text… read more
    … type of data not previously available is the Reason for Visit (ROV), a free-text field analogous to the Chief Complaint (CC). Intake personnel ask patients why they have come to the … type of data not previously available is the reason for visit (ROV), a free- text field analogous to the CC. Intake …
  • The Utility of Patient Chief Complaint and ICD 9 Classifiers for the Influenza Sub-Syndrome

    Content Type: Abstract

    In order to detect influenza outbreaks, the New York State Department of Health emergency department (ED) syndromic surveillance system uses patients’ chief complaint (CC) to assign visits to respiratory and fever syndromes… read more
    … surveillance system uses patients’ chief complaint (CC) to assign visits to respiratory and fever syndromes. Recently, the … surveillance system uses patients’ chief complaint (CC) to assign visits to res- piratory and fever syndromes. Recently, the … surveillance system uses patients’ chief complaint (CC) to assign visits to respiratory and fever syndromes. …
  • The use of patient temperature data for biosurveillance in the emergency department

    Content Type: Abstract

    Biosurveillance systems commonly use emergency department (ED) patient chief complaint data (CC) for surveillance of influenza-like illness (ILI). Daily volumes are tracked using a computerized patient CC classifier for fever (CC… read more
    … emergency department (ED) patient chief complaint data (CC) for surveillance of influenza-like illness (ILI). Daily volumes are tracked using a computerized patient CC classifier for fever (CC Fever) to identify febrile patients. Limitations in this … emergency depart- ment (ED) patient chief complaint data (CC) for surveillance of influenza-like illness (ILI). Daily …
  • Multilingual Chief Complaint Classifier

    Content Type: Abstract

    Free text chief complaints (CCs), which may be recorded in different languages, are an important data source for syndromic surveillance systems. For automated syndromic surveillance, CCs must be classified into predefined syndromic categories to… read more
    … technical challenges for the development of multilingual CC classifiers.  We addressed the technical challenges by first developing a ontology-enhanced CC classifier which exploits semantic relations in the … System (UMLS) to expand the knowledge of a rule-based CC classifier. Based on the ontologyenhanced English CC …
  • The Performance of Sub-Syndrome Chief Complaint Classifiers for the GI and RESP Syndromes

    Content Type: Abstract

    The Centers for Disease Control and Prevention BioSense has developed chief complaint (CC) and ICD9 sub syndrome classifiers for the major syndromes for early event detection and situational awareness. The prevalence of these sub… read more
    … and Prevention BioSense has developed chief complaint (CC) and ICD9 sub syndrome classifiers for the … department population and the performance of these CC classifiers have been little studied. Chart reviews have … by chart reviews to estimate the performance of a CC classifier.   Objective To determine the prevalence of …
  • Unstructured Free-text Data and Meaningful Use

    Content Type: Abstract

    In 2010, as rules for the Centers for Medicaid and Medicare Electronic Heatlh Record (EHR) Incentive Programs (Meaningful Use)(1), were finalized, ISDS became aware of a trend towards new EHR systems capturing or sending emergency department (ED)… read more
    … or sending emergency department (ED) chief complaint (CC) data as structured variables without including the … surveillance and survey data on the value of free-text CC to public health practice. On 1/31/11, ISDS, in … was conducted to better support a requirement for ED CC as free-text, by investigating the relationship between …
  • Ontology-Based Automatic Chief Complaints Classification for Syndromic Surveillance

    Content Type: Abstract

    Free-text emergency department triage chief complaints (CCs) are a popular data source used by many syndromic surveillance systems because of their timeliness, availability, and relevance. The lack of standardization of CC vocabulary poses a major… read more
    … and relevance. The lack of standardization of CC vocabulary poses a major technical challenge to any automatic CC classification approach. This challenge can be partially … through a medical ontology in the context of automatic CC classification for syndromic surveillance.   Objective …