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Displaying results 1 - 8 of 12
  • A Comparison of Ambulatory Care and Emergency Department Encounters as Data Sources for Detection of Clusters of Lower Gastrointestinal Illness

    Content Type: Abstract

    We sought to compare ambulatory care (AC) and emergency department (ED) data for the detection of clusters of lower gastrointestinal illness, using AC and ED data and AC+ED data combined, from two geographically separate health plans participating… read more
    … We sought to compare ambulatory care (AC) and emergency department (ED) data for the … A Comparison of Ambulatory Care and Emergency Department Encounters as Data Sources for … We sought to compare ambulatory care (AC) and emergency department (ED) data for the …
  • Comparing the Utility of Ambulatory Care and Emergency Room Data for Disease Outbreak Detection

    Content Type: Abstract

    To compare the ability to detect disease outbreaks of separate and combined data streams from ambulatory care and emergency department from Harvard Pilgrim Health Care.
    … of separate and combined data streams from ambulatory care and emergency department from Harvard Pilgrim Health Care. Document … Comparing the Utility of Ambulatory Care and Emergency Room Data for Disease Outbreak Detection … of separate and combined data streams from ambulatory care and emergency department from Harvard Pilgrim Health …
  • Nurse Call Data for Detection of Influenza-Like Illness

    Content Type: Abstract

    Influenza affects millions of people and causes about 36,000 deaths in the United States each winter. Pandemics of influenza emerge at irregular intervals. National influenza surveillance is used to detect the emergence and spread of influenza virus… read more
    … created as part of the routine delivery of medical care might supplement current data sources. Nurse call data … people with ILI may call a nurse line before seeking care at a health-care facility and because the data are more timely than … Harmon,3 Richard Platt,1 1 Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard …
  • The SAS/SaTScan Macro Accessory for Cartography (SMAC) Package

    Content Type: Abstract

    SaTScan is a program often used for space-time cluster detection. In order to run SaTScan, the data must be in a pre-specified text format. Once the input files are in the correct format, the typical user opens SaTScan, chooses… read more
    … of this project was to create a SAS (SAS Institute, Cary, NC) interface for SaTScan which can be used to create … Allyson M. Abrams, Ken Kleinman Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard … of this project was to create a SAS (SAS Institute, Cary, NC) interface for SaTScan [1] which can be used to …
  • Telephone Triage Data for Detection of Influenza-like Illness

    Content Type: Abstract

    National surveillance is used to detect the emergence and spread of influenza virus variants and to monitor influenza-related morbidity and mortality. Nurse telephone triage (“call”) data may serve as a useful complement to… read more
    … Harmon,3 Richard Platt,1 1 Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard … on number of influenza isolates and percentage of total visits to sentinel providers for influenza-like illness were … [2] Henry JV, Magruder S, Snyder M. Comparison of office visit and nurse advice hotline data for syndromic …
  • in silico Surveillance: Using Detailed Computer Simulations to Develop and Evaluate Outbreak Detection

    Content Type: Abstract

    Developing and evaluating outbreak detection is challenging for many reasons.  A central difficulty is that the data the detection algorithms are “trained” on are often relatively short historical samples and thus do not represent the full… read more
    … Bioinformatics Institute, Vir- ginia Tech †Ambulatory Care and Prevention, Harvard Medical School and Harvard Pilgrim Health Care OBJECTIVE Developing and evaluating detection … digital representa- tions, of every person. These agents visit specific loca- tions throughout the area of study and …
  • Multi-Syndrome Analysis of Time Series: A New Concept for Outbreak Investigation

    Content Type: Abstract

    Temporal anomaly detection is a key component of real time surveillance. Today, despite the abundance of temporal information on multiple syndromes, multivariate investigation of temporal anomalies remains under-explored. Traditionally, an outbreak… read more
    … Lab; 3Harvard Medical School and Harvard Pilgrim Health Care OBJECTIVE The objectives of this study are to develop a … the multivariate technique compared with those of stan- dard uni-syndrome analysis, and to put forward a new …
  • Clustering under the Null: One Reason for Too Many Signals

    Content Type: Abstract

    I examine the nature and expression of the null hypothesis often used in spatial surveillance. I also show an example of how incorrect specification of the null can lead to excess signals without interesting outbreaks, and argue that this may be a… read more
    … too many signals Ken Kleinman Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard Pilgrim Health Care OBJECTIVE I examine the nature and expression of the … one reason for too many signals Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard …