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Displaying results 1 - 8 of 13
  • A Controlled Vocabulary for "Reason for Visit" in Ambulatory Encounters

    Content Type: Abstract

    Objective: To enable improved health surveillance and clinical decision support within ambulatory Electronic Health Record (EHR) systems.
    … RANKED SLOPE= -1 A Controlled Vocabulary for “Reason for Visit” in Ambulatory Encounters F Mostashari*, N Soulakis*, … encounters; 5,627 (1.9%) had no documented reason for visit. There were 410,633 reasons listed, comprised of 254 …
  • 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 … RESULTS While the results varied each year, ILI visits to com- munity-based care settings and ILI visits by children … British Co- lumbia, Canada, 1998-2004. Vaccine 2008;26:1397-403. 4. Marsden-Haug N, Foster VB, Gould PL, et al. …
  • Can all-cause school absenteeism be used to optimize the timing of school closure in response to pandemic influenza?

    Content Type: Abstract

    School closure has long been proposed as a non-pharmaceutical intervention in reducing the transmission of pandemic influenza. Children are thought to have high transmission potential because of their low immunity to circulating… read more
    … data on the rate of influenza-related nurse visits in corresponding schools to validate our findings.   … using data on the rate of influenza-related nurse visits in corresponding schools to validate our findings. … public schools in New York City from 6 September 2005 to 26 June 2009. A model-adjusted school-specific z-score was …
  • Beyond Detection: Attack Characterization with Syndromic and Clinical Data

    Content Type: Abstract

    Most research in syndromic surveillance has emphasized early detection, but clinical diagnosis of the index case will tend to occur before detection by syndromic surveillance for certain types of outbreaks [1]. Syndromic surveillance may, however,… read more
    … certain types of outbreaks [1]. Syndromic surveillance may, however, still play an important role in rapidly … we conducted a simulation study using ambulatory visit records for respiratory conditions. We used a model … [1] to simulate the daily increase in syndromic clinic visits and the time to first diagnosis through blood culture …
  • Does Climate Predict the Timing of Peak Influenza Activity in the United States?

    Content Type: Abstract

    Though spatio-temporal patterns of influenza spread have often suggested that environmental factors, such as temperature, solar radiation and humidity play a key role, few studies have directly assessed their effect on the timing… read more
    … solar radiation, latitude and longitude so that we may better understand the factors that affect virus … solar radiation, latitude and longitude so that we may better understand the factors that affect virus … in the United States using pediatric hospitalization visits with ICD-9 codes equal to 486.00, 487.00, 487.10 or …
  • Comparison of Distribute and ILINet for national influenza surveillance

    Content Type: Abstract

    During the spring of 2009, a public health emergency was declared in response to the emergence of the 2009 Influenza A (H1N1) virus. Owing to the response, timely data were needed to improve situational awareness and to inform… read more
    … reports of influenza-like illness (ILI) and total patient visits to EDs from participating health jurisdictions, … reports of influenza-like illness (ILI) and total patient visits to EDs from participating health jurisdictions, … sites where data were available. The weekly percent of visits because of ILI were calculated for each system. For …
  • The influence of address errors on detecting outbreaks of campylobacteriosis

    Content Type: Abstract

    Mandatory notification to public health of priority communicable diseases (CDs) is a cornerstone of disease prevention and control programs. Increasingly, the addresses of CD cases are used for spatial monitoring and cluster detection… read more
    … monitoring and cluster detection and public health may direct interventions based on the results of routine … monitoring and cluster detection and public health may direct interventions based on the results of routine … monitoring and cluster detection and public health may direct interventions based on the results of routine …
  • Assessing and Optimizing the Accuracy of Physician Billing Claims for Use in Automated Syndromic Surveillance

    Content Type: Abstract

    To assess the accuracy of community-based physician claims for identifying 5 syndromes: fever, gastrointestinal, neurological, rash, and respiratory.
    … status (+/-), syn- drome type, syndrome ICD-9 code, and visit month (to avoid seasonal bias). The RAMQ then sent the … patient complaints, symptoms, and signs for each sampled visit. The sensitivity, specific- ity, and positive …