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Displaying results 1 - 8 of 8
  • 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.
    … systems. Document A_Controlled_Vocabulary_For_Reason_For_Visit_In_Ambulatory_Encounters.pdf Submitted by elamb on … RANKED SLOPE= -1 A Controlled Vocabulary for “Reason for Visit” in Ambulatory Encounters F Mostashari*, N Soulakis*, … A Controlled Vocabulary for "Reason for Visit" in Ambulatory Encounters …
  • 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 …
  • Towards Automated Risk-Factor Surveillance: Using Digital Grocery Purchasing Data to Measure Socioeconomic Inequalities in the Impact of In-Store Price Discounts on Dietary Choice

    Content Type: Abstract

    Obesity and related chronic diseases cost Canadians several billion dollars annually. Dietary intake, and in particular consumption of carbonated sweetened drinks (soda), has a strong effect on the incidence of obesity and other illness. Marketing… read more
    … to monitor price discounts are currently limited by a lack of data and methods. Although rarely used in public … to monitor price discounts are currently limited by a lack of data and methods. Although rarely used in public …
  • Towards a Framework for Data Quality Properties of Indicators used in Surveillance

    Content Type: Abstract

    Effective use of data for disease surveillance depends critically on the ability to trust and quantify the quality of source data. The Scalable Data Integration for Disease Surveillance project is developing tools to integrate and present… read more
    … burden of malaria (Presidents Malaria Initiative, Roll Back Malaria Initiative and The Global Fund to Fight AIDS, … burden of malaria (Presidents Malaria Initiative, Roll Back Malaria Initiative and The Global Fund to Fight AIDS, …
  • Digital Sources of Food Purchasing Data for the Surveillance of Dietary Patterns

    Content Type: Abstract

    In Canada, the economic impact of unhealthy eating is estimated at $6.3 billion annually and in the US the estimated cost is $87 billion. Despite the critical need to identify effective diet-related interventions through empirical evaluation, public… read more
    … evaluation, public health practitioners and researchers lack timely access to representative data sources collected … evaluation, public health practitioners and researchers lack timely access to representative data sources collected …
  • 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
    … at time t, we define a window of w days duration to ‘look back’ for excess cases. For each day d in the window, we … cases. We then sum the residuals over days in the ‘look back’ window to obtain an estimate of the disease burden … we conducted a simulation study using ambulatory visit records for respiratory conditions. We used a model …
  • 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 …
  • Predictors of vaccination uptake for the 2009 influenza pandemic (H1N1) in Montreal

    Content Type: Abstract

    Work on vaccination timing and promotion largely precedes the 2009 pandemic. Post-pandemic studies examining the wide range of local vaccination efforts mostly have been limited to surveys assessing the role of administrative strategies, logistical… read more
    … reflecting ineffectual communication or a more troubling lack of trust in health authorities (2). Launching the …