Displaying results 17 - 22 of 22
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Rapid Identification of Pneumonias in BioSense Data Using Radiology Text Reports
Content Type: Abstract
BioSense currently receives demographic and chief complaint data from more than 360 hospitals and text radiology reports from 36 hospitals. Detection of pneumonia is an important as several Category A bioterrorism diseases as well as avian influenza… read more… reports of chest X-rays performed for 42,510 hospital visits (which corresponds to 34,883 patients) and the … such as BioSense. Contact: Armen Asatryan, MD, MPH E-mail: armen.asatryan@saic.com Advances in Disease … -
The Use of BioSense Data for Surveillance of Gastrointestinal Illness
Content Type: Abstract
The BioSense system currently receives real-time data from more than 370 hospitals, as well as national daily batched data from over 1100 Department of Defense and Veterans Affairs medical facilities. BioSense maps chief… read more… mapped to: 1) the same indicator (e.g., whether patient visits having a chief complaint of diarrhea also had a final … alone were completed on 343 hospitals while analyses on visits requiring both an ED CCs and final diagnoses were … average rate for the GI syndrome was 140 per 1000 visits (range: 115-170 among facilities) for ED CC and 120 … -
BioSense Real-Time Data Initiative: Improving Emergency Preparedness- Monitoring Injury Sub-Syndromes
Content Type: Abstract
Analysis of the BioSense data facilitates the identification, tracking, and management of emergent and routine health events, including potential bioterrorism events, injury related incidents and rapidly spreading naturally occurring events (1).… read more… ings, sprains & strains). RESULTS A total of 8,342,336 visits were recorded in the ED Chief Complaint category into … system from January 2, 2006 to July 18, 2007. Of all visits; the greatest proportion binned to the Respiratory … the most frequent were injury NOS (6.7% of total visits), open wounds (3.4%), falls (3.1%), and MVC (2.2%). … -
Identifying Fractures in BioSense Radiology Reports
Content Type: Abstract
The purposes of this study are to validate a keyword-based text parsing algorithm for identifying fractures and compare radiology results with chief complaint and ICD-9 final diagnoses.… and pharmeutical receipt. METHODS We studied 17,647 visits with an extremity film and final ICD-9 coded … we applied the text parsing algorithm to all 17,647 visits with a text radiography reading. Of these, 73% were … -
The Performance of Sub-Syndrome Chief Complaint Classifiers for the GI and RESP Syndromes
Content Type: Abstract
The Centers for Disease Control and Prevention BioSense has developed chief complaint (CC) and ICD9 sub syndrome classifiers for the major syndromes for early event detection and situational awareness. The prevalence of these sub… read more… of a CC classifier. Methods: A retrospective study of ED visits at four New York State hospitals from May 1, 2005 to … was performed. These hospitals have annual volumes of ED visits from 24,000 to 33,000 and have electronic medical … -
The Predictive Accuracy of Non-Regression Data Analysis Methods
Content Type: Abstract
Analysis of time series data requires accurate calculation of a predicted value. Non-regression methods such as the Early Aberration Reporting System CuSum are computationally simple, but most do not adjust for day of week… read more… for cluster detection, adjustment for total number of visits, and assessment using other data sources and events. …