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Displaying results 9 - 16 of 30
  • 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 … type of data not previously available is the reason for visit (ROV), a free- text field analogous to the CC. Intake … type of data not previously available is the Reason for Visit (ROV), a free-text field analogous to the Chief …
  • An Exploration of New Uses of Traditional Data within an Ecological Study: Air Quality Effects on Pediatric Asthma Exacerbation Analysis

    Content Type: Abstract

    Under a grant from the Centers for Disease Control and Prevention (CDC), the DC DOH established the Environmental Public Health Tracking Program (EPHTP) to monitor specific environmental and public health indicators and to investigate any… read more
    … 2004 and DC hospital pediatric emergency department (ED) visits for asthma exacerbations.    Objective The study … the relationship between air quality and pediatric ED visits for asthma among DC residents over a 3 year period. … air quality and pediatric emergency department (ED) visits for asthma among DC residents over a 3 year period. …
  • Syndromic Surveillance for Bicycle Related Injuries in Boston, 2007-2010

    Content Type: Abstract

    In May of 2001, Boston released a strategic transportation plan to improve bicycle access and safety. [1] According to the Boston Transportation Department, ridership has increased 122% between 2007 and 2009. [2] A collaborative public health and… read more
    … possible risk factors using bicycle related injury (BRI) visits at Boston emergency departments (ED). Document … possible risk factors using bicycle-related injury (BRI) visits at Boston emergency departments (EDs). Introduction … hospitals in Boston every 24 hours. Data received include visit date, demographics, ZIP code of residence, chief …
  • The Development of Virtual Data for Syndromic Surveillance Exercises

    Content Type: Abstract

    On 27 April 2005, a simulated bioterrorist event—the aerosolized release of Francisella tularensis in the men’s room of luxury box seats at a sports stadium—was used to exercise the disease surveillance capability of the National Capital Region (NCR… read more
    … requirements and represented both ‘normal’ endemic visits (the background) as well as outbreak-specific records … requirements and represented both ‘normal’ endemic visits (the background) as well as outbreak-specific records … scenario realism. RESULTS A total of 2,623,226 background visit records were generated for the exercise. The …
  • Performance Characteristics of Control Chart Detection Methods

    Content Type: Abstract

    To recognize outbreaks so that early interventions can be applied, BioSense uses a modification of the EARS C2 method, stratifying days used to calculate the expected value by weekend vs weekday, and including a rate-based method… read more
    … and including a rate-based method that accounts for total visits. These modifications produce lower residuals … and including a rate-based method that accounts for total visits (2). These modifications produce lower residuals … count vs rate methods, the latter accounting for total visits (i.e., both visits assigned and not assigned to a …
  • Syndromic Prediction Power: Comparing Covariates and Baselines

    Content Type: Abstract

    The eleven syndrome classifications for clinical data records monitored by BioSense include rare events such as death or lymphadenitis and also common occurrences such as respiratory infections. BioSense currently uses two statistical methods for… read more
    … models: day-of-week, holiday, total daily health facility visits, and a trend variable (date). Models using different … data for this paper consisted of daily military clinical visit count data from the Department of Defense (DoD) for … of 28, 56, and 112 days were used to make one-day-ahead visit count predictions. For each forecast, the baseline …
  • Development and Evaluation of a Data-adaptive Algorithm for Univariate Temporal Biosurveillance Data

    Content Type: Abstract

    Numerous recent papers have evaluated algorithms for biosurveillance anomaly detection. Common essential problems in the disparate, evolving data environment include trends, day-of-week effects, and other systematic behavior.… read more
    … of authentic outpatient data covering 1402 days of clinic visit counts. Receiver operating characteristic curves were … 2. Brillman JC, et.al. Modeling emergency department visit patterns for infectious disease complaints: results …
  • Modeling Disease Surveillance and Assessing its Effectiveness for Detection of Acute Respiratory Outbreaks in Resource-Limited Settings

    Content Type: Abstract

    A U.S. Department of Defense program is underway to assess health surveillance in resource-poor settings and to evaluate the Early Warning Outbreak Reporting System. This program has included several information-gathering trips,… read more
    … uses health and census data collected during the 2006 Lao visit and incorporates features of recently published agent- … Scenarios investigated were derived from the Lao site visit--the gain from adding EWORS capability in strategic …