Displaying results 465 - 472 of 618
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Fast and Flexible Outbreak Detection by Linear-Time Subset Scanning
Content Type: Abstract
The spatial scan statistic [1] detects significant spatial clusters of disease by maximizing a likelihood ratio statistic over a large set of spatial regions. Typical spatial scan approaches either constrain the search regions to… read more… spatial scans, with and without LTSS, on 281 days of ED visit data from 88 Allegheny County zip codes. Various scan … -
Maximum Entropy Models in Chief Complaint Classification
Content Type: Abstract
This paper describes a novel approach to the statistical classification of free-text chief complaints for the purpose of syndromic surveillance.… geographic and temporal features of the patient and/or visit could also potentially augment the model. Other … -
Classification of Emergency Department Syndromic Data for Seasonal Influenza Surveillance
Content Type: Abstract
We evaluated several classifications of emergency department (ED) syndromic data to ascertain best syndrome classifications for ILI.… with ED data. We used 6 classifications of ILI ED visit data for this analysis: (1) A chief complaint with … -
Real-time estimation and prediction for pandemic A/H1N1 (2009) in Japan
Content Type: Abstract
Unfortunately, confirmation and notification of all A/H1N1 (2009) patients in Japan was ceased on 24 July when the cumulative number of patients was about 5000. After that, as all suspected patients are not necessarily confirmed or reported, the… read more… in Japan, we can assume that all symptomatic patients visit a doctor to receive oseltamivir or zanamivir on onset … -
The New York State BioSense Sentinel Alert Experience
Content Type: Abstract
In addition to monitoring Emergency Department chief complaint data and pharmacy sales as indicators of outbreaks, the New York State Department of Health (NYSDOH) Syndromic Surveillance System also monitors information from the… read more… mation: patient age, gender, coded patient ID and/or visit ID. Although all 8 alerts were determined to be “false … -
Variation of Chief Complaint-Based Respiratory Symptom Data in One Hospital's Nurse Advice Call Center and Emergency Department
Content Type: Abstract
The objective of this report is to describe the variation of symptoms being detected as respiratory or influenza-like illness (ILI) syndrome using nurse advice call center (NACC) data and emergency department (ED) chief complaint data compared to… read more… tests occurring within 14 days of NACC call or ED visit by patient first name, last name and date of birth. We … -
Benchmark Data Generation from Discrete Event Contact Network Models
Content Type: Abstract
Historical data are essential for development of detection algorithms. Spatio-temporal data, however, are difficult to come by due to variety of issues concerning patient confidentiality. Several approaches have been used to … read more… of spatio-temporal data corresponding to the time of visit and patient location (census tracts) when symptomatic … -
Integration of Hospital Admissions, Febrile Respiratory Illness Screening and Triage Acuity Score into an Emergency Department Syndromic Surveillance System
Content Type: Abstract
This paper outlines the integration of hospital admission, Febrile Respiratory Illness (FRI) screening and Canadian Triage and Acuity Score (CTAS) data streams within an Emergency Department Syndromic Surveillance system. These data elements allow… read more… postal code of resi- dence, hospital and date and time of visit. DATA ELEMENTS Admission data – The physician’s …