Skip to main content

Displaying results 521 - 528 of 618
  • Applying classification and anomaly detection techniques to real-world data

    Content Type: Abstract

    Real-world public health data often provide numerous challenges. There may be a limited amount of background data, data dropouts, noise, and human error. The data from an emergency department (ED) in Urbana, IL includes a … read more
    … week- ends, and also adjust for the total number of ED visits on a particular day. For comparison, we grouped the … weekends and weekdays, and adjusted for total number of visits. Results For the Flu-Like Illness Syndrome, the … from weekday data and adjusted for the total number of ED visits was the most sensitive, generating alerts on 19 days …
  • The Impact of Hurricane Katrina Evacuees from Louisiana and Mississippi on Georgia Emergency Departments: Syndromic Surveillane and Disasters

    Content Type: Abstract

    On August 29, 2005, Hurricane Katrina made landfall just east of New Orleans, LA at 6:10AM CST and again at the LA/MS border at 10:00AM CST as a Category 3 hurricane, causing mass destruction along their coastlines. The devastation in LA and MS… read more
    … RESULTS There was a 7-fold increase in the rate of ED visits by LA and MS residents from the pre- to the post- … correlations were noted between the number of ED visits by individual zip codes and their racial, poverty, or … seen; however, a >2.5-fold increase in medication refill visits was observed (Table). Several spatial- and …
  • An Adaptive Anomaly Detection Algorithm

    Content Type: Abstract

    Ideal anomaly detection algorithms shoulddetect both sudden and gradual changes, while keeping the background false positive alert rate at a tolerable level. The algorithms should also be easy to use. Our objective was to develop an anomaly… read more
    … C2 or C3 alert. The test data were time series of daily visits from two emergency departments (ED) for two … with the usual 2.0 cut-off for two EDs. ORIGINAL GI DAILY VISITS, ~19 MONTHS, ED1 GI 4-DAY OUTBREAKS ROC COMPARISON …
  • 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
    … fever CC T>100 Combined Figure 1 14-day moving average of visits for fever CC, T4100 and combined fever CC and T4100 … Health Threats Journal. www.eht-journal.org 4 number of visits that were identified by adding T4100 to CC Fever. Results There were a total of 352742 ED visits, of which 265 099 (75%) had a measured temperature. …
  • Do Women Really Complain More than Men? Looking at Gastrointestinal Chief Complaints in Boston

    Content Type: Abstract

    The purpose of syndromic surveillance is the early identification of disease outbreaks. Classification of chief complaints into syndromes and the type of statistics used for aberration detection can affect outbreak detection sensitivity and… read more
    … and back pain. [1] METHODS We randomly selected 50,000 visits from 9 Boston adult emergency departments (ED) … Black, 30% White and 67% age 20-49 years. Of the 44,877 visits 4,483 chief complaints were classified as GISG (10%). … and specificity for GIC. (p=0.0032) The proportion of visits among women with GIC, Gi1, and Gi2 was 7.7%, 2.3%, …
  • BioSense Real-Time Data Initiative: Improving Emergency Preparedness- Monitoring Injury Sub-Syndromes

    Content Type: Abstract

    Analysis of the BioSense data facilitates the identification, tracking, and management of emergent and routine health events, including potential bioterrorism events, injury related incidents and rapidly spreading naturally occurring events (1).… read more
    … ings, sprains & strains). RESULTS A total of 8,342,336 visits were recorded in the ED Chief Complaint category into … system from January 2, 2006 to July 18, 2007. Of all visits; the greatest proportion binned to the Respiratory … the most frequent were injury NOS (6.7% of total visits), open wounds (3.4%), falls (3.1%), and MVC (2.2%). …
  • Surveillance for Influenza Using the Emergency Department Syndromic Surveillance and Hospital Admissions Syndromic Surveillance Systems, Connecticut, 2004-2007

    Content Type: Abstract

    In Connecticut, several syndromic surveillance systems have been established to detect and monitor potential public health threats: 1) the hospital admissions syndromic surveillance (HASS) system in 2001; and 2) the emergency… read more
    … of pneumonia admissions and weekly percentage of ED visits for the months October through May due to each … Additional correlation analysis was performed for EDSS visits with children ≤12 years excluded. RESULTS During the … seasons, excluding children ≤12 years from EDSS syndrome visits improved their correlation with laboratory reports, …
  • Health Impact of the 2006 Heat Wave Based on Syndromic Surveillance in Gironde, France

    Content Type: Abstract

    In July 2006, an important heat wave occurred in France, and generated alarm of all the public health services. In Gironde, a department in region Aquitaine, the level of "warning and actions" of the Heat Health Watch Warning System, based on an… read more
    … (Agence regionale d’hospitalisation, ARH); - Number of visits for heat-related symptoms (heat stroke, dehydration … Figure 2 showed an unusual increase in the number of visits reported by SOS Médecins for heat related … fo r h ea t sy nd ro m s Figure 2. Number of SOS Médecins visits for heats syndromes between the first June and 31 …