Displaying results 1 - 4 of 4
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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… Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detection of abnormal patterns of disease … 0.03 HEMORRHAGIC COND NOS 287.9 48 0.07 DROP HEMATOCRIT PRECIP 790.01 71 0.10 HEMOLYTIC UREMIC SYND 283.11 209 0.29 … tools in order to promote more accurate outpatient coding may improve the performance of the HI detection model. … -
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… resulted in laboratory test requests and prescriptions may improve sensitivity and specificity of detection … of linked lab requests and prescriptions filled for each visit. This tally ranged from zero to greater than 9 and was … ratio [1] for this event increased by about 26% as the severity linkage score filtering increased from … -
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… anomalous health event that presents as only a few cases may remain undetected because the chief complaint data does … Submitted by elamb on Tue, 03/26/2019 - 16:22 … Linking Public Health and Healthcare Data … in the patient encounter dataset, same day office visits corresponded well with the flu epidemic curve. … -
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.… for classification of syndromic data for tracking ILI may differ regionally, so previously pub- lished study … and excluded one hospital that did not provide ED chief com- plaints. The weekly number of positive viral cultures … with ED data. We used 6 classifications of ILI ED visit data for this analysis: (1) A chief complaint with …