Displaying results 1 - 3 of 3
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What is the Value of a Positive Syndromic Surveillance Signal?
Content Type: Abstract
One criterion for evaluating the effectiveness of a surveillance system is the system’s positive predictive value. To our knowledge few studies have described the positive predictive value of syndromic surveillance signals… read more… for the Early Notification of Community-Based Epidemics (ESSENCE).3 Investigations are initiated for alarm signals … -
Systematic Comparison of Algorithms Used in Syndromic Surveillance
Content Type: Abstract
Varied approaches have been used by syndromic surveillance systems for aberration detection. However, the performance of these methods has been evaluated only across a small range of epidemic characteristics. Objective… read more… Weighted Moving Average (EWMA) algorithms used by the ESSENCE system [3], with smoothing constants of 0.4 and 0.9; … -
Expert Meeting on Privacy, Confidentiality, and Other Legal and Ethical Issues in Syndromic Surveillance
Content Type: Abstract
For syndromic and related public health surveillance systems to be effective, state and local health departments and the Centers for Disease Control and Prevention (CDC) need access to a variety of types of health data. Since the development and… read more… can help in drafting data use agreements, providing in essence a checklist of issues that must be addressed and …