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Displaying results 17 - 24 of 458
  • A Flexible Space-Time Scan Statistic for Disease Outbreak Detection and Monitoring

    Content Type: Abstract

    A time periodic geographic disease surveillance system based on a cylindrical space-time scan statistic proposed by Kulldorff [1] has been used extensively for disease surveillance along with the SaTScan software. This statistic is based on a… read more
    … the circular spatial scan statistic. However, due to the unlimited geometric freedom of cluster shapes, these … the circular spatial scan statistic. However, due to the unlimited geometric freedom of cluster shapes, these …
  • Defining emergency department asthma visits for public health surveillance

    Content Type: Abstract

    Tracking emergency department (ED) asthma visits is an important part of asthma surveillance, as ED visits can be preventable and may represent a failure of asthma control efforts. When using limited clinical ED datasets for secondary purposes such… read more
    … only the primary ICD-9-CM diagnosis assigned to the ED visit; however, doing so may underestimate the public health … secondary or tertiary positions. For example, for an ED visit with a primary diagnosis of upper respiratory … the infection triggered the asthma exacerbation and the visit could be attributed to both infection and asthma.   …
  • Assessing the Potential Impact of the BioSense 24-hour Rule Using NC DETECT ED Data

    Content Type: Abstract

    Per a frequently asked questions document on the ISDS website, approximately two thirds of HL7 records received in BioSense do not provide a Visit ID. As a result, BioSense data processing rules use the patient ID, facility ID and earliest date in… read more
    … of HL7 records received in BioSense do not provide a Visit ID. As a result, BioSense data processing rules use … ID and earliest date in the record to identify a unique visit. If the earliest dates in records with the same … of HL7 records received in BioSense do not provide a Visit ID. As a result, BioSense data processing rules use …
  • A Comparison of Electronic Emergency Department Visits and Data Collected Manually During a Field Exercise

    Content Type: Abstract

    To compare the completeness of emergency department (ED) visit and hospital admissions data collected electronically for syndromic surveillance and data collected manually for a field surveillance exercise.
    … To compare the completeness of emergency department (ED) visit and hospital admissions data collected electronically … To compare the completeness of emergency department (ED) visit and hospital admissions data collected electronically … hospital admissions for the 7-day period before the site visit. Of the 50 hospital EDs that report electronic data to …
  • Using Age & Syndrome to Characterize Epidemic Winter-Seasonal Acute Gastroenteritis

    Content Type: Abstract

    We describe age- and syndrome-specific emergency department (ED) visit patterns for diarrhea and vomiting associated with periods of confirmed epidemic rotavirus and presumed epidemic norovirus in New York City (NYC).
    … age- and syndrome-specific emergency department (ED) visit patterns for diarrhea and vomiting associated with … age- and syndrome-specific emergency department (ED) visit patterns for diarrhea and vomiting associated with … patterns suggest NV predominated during the ED visit peak in Dec 2004, RV during the Feb-May 2005 period …
  • Timeliness of Ambulatory Data for Age-Specific ILI Surveillance

    Content Type: Abstract

    While there has been some work to evaluate different data sources for syndromic surveillance of influenza, no one has yet assessed the utility of simultaneously restricting data to specific visit settings and patient age-groups using… read more
    … utility of simultaneously restricting data to specific visit settings and patient age-groups using data drawn from … source population, we aimed to compare age-group and visit setting specific patterns in the timing of patients … of the CCFs between vari- ous age group and visit setting specific subsets of ILI visits and P&I …
  • Syndromic Surveillance for Situation Awareness: Understanding Syndrome Performance

    Content Type: Abstract

    The August 21, 2017 total solar eclipse in Idaho was anticipated to lead to a large influx of visitors in many communities, prompting a widespread effort to assure Idaho was prepared. To support these efforts, the Idaho Syndromic Surveillance… read more
    … syndromic surveillance using emergency department (ED) visit data contributed to the National Syndromic … message containing information on an emergency department visit is sent to ISSp within 24 hours of the visit and includes the chief complaint for the visit. Data …
  • Sensitivity and Specificity of an Ngram Method for Classifying Emergency Department Visits into the Respiratory Syndrome in the Turkish Language

    Content Type: Abstract

    Previously we developed an “Ngram” classifier for syndromic surveillance of emergency department (ED) chief complaints (CC) in Turkish for bioterrorism. The classifier is developed from a set of ED visits for which both the ICD… read more
    … in that it assigns a probability that each visit falls within the syndrome rather than ruling the visit “in” or “out” of the syndrome. It is possible … classifiers in that it assigns a probability that each visit falls within the syndrome rather than ruling the visit …