Displaying results 1 - 4 of 4
-
Linking Public Health and Healthcare Data for Syndromic Surveillance
Content Type: Abstract
A number of syndromic surveillance systems include tools that quickly identify potentially large disease outbreak events. However, the high falsepositive rate continues to be a problem in all of these systems. Our earlier work… read more… the high falsepositive rate continues to be a problem in all of these systems. Our earlier work has showed … 5 views Submitted by elamb on Tue, 03/26/2019 - 16:22 … false- positive rate continues to be a problem [4–6] in all of these systems. Our earlier work has showed that … -
A Simple Method of Using Linked Health Data in Syndromic Surveillance
Content Type: Abstract
This paper describes a simple technique for utilizing linked health information in syndromic surveillance. Using knowledge of which patient encounters resulted in laboratory test requests and prescriptions may improve sensitivity and specificity of… read more… with seasonal respiratory illness outbreaks. The top plot shows all the data, regardless of severity linkage score. The … ratio [1] for this event increased by about 26% as the severity linkage score filtering increased from … -
Diagnosis Coding Anomalies Resulting in Hemorrhagic Illness Alerts in Veterans Health Administration Outpatient Clinics
Content Type: Abstract
The Veterans Health Administration (VHA) operates over 880 outpatient clinics across the nation. The Johns Hopkins Applied Physics Laboratory’s Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE) utilizes… read more… Alerts in.pdf 6 views Submitted by elamb on Tue, 03/26/2019 - 16:22 … speci- fied (NOS), thrombocytopathy, and coagulation de- fect NOS). METHODS A total of 72055 occurrences of outpatient clinic di- agnosis codes falling into the HI category for a three- … -
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.… through 4/28/2007 and excluded one hospital that did not provide ED chief com- plaints. The weekly number of … including data from the diagnosis, where available, did not consistently improve the SNR. The correlation with … of the “CCFEVER” and “ANYFE- VER” categories, which did not lag behind RA. Us- ing an algorithm that switches …