Displaying results 1 - 3 of 3
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Preparing Biosurveillance Data for Classic Monitoring
Content Type: Abstract
Modern surveillance systems use statistical process control (SPC) charts such as Cumulative Sum and Exponentially Weighted Moving Average charts for monitoring daily counts of such quantities as ICD-9 codes from ED visits,… read more… daily counts of such quantities as ICD-9 codes from ED visits, sales of medications, and doctors’ office visits. The working assumption is that such pre-clinical … daily counts of such quantities as ICD-9 codes from ED visits, sales of medications, and doctors’ office visits. … -
Development and Evaluation of a Data-adaptive Algorithm for Univariate Temporal Biosurveillance Data
Content Type: Abstract
Numerous recent papers have evaluated algorithms for biosurveillance anomaly detection. Common essential problems in the disparate, evolving data environment include trends, day-of-week effects, and other systematic behavior.… read more… of authentic outpatient data covering 1402 days of clinic visit counts. Receiver operating characteristic curves were … 2. Brillman JC, et.al. Modeling emergency department visit patterns for infectious disease complaints: results … -
Implementation and Comparison of Preprocessing Methods for Biosurveillance Data
Content Type: Abstract
Modern biosurveillance relies on multiple sources of both prediagnostic and diagnostic data, updated daily, to discover disease outbreaks. Intrinsic to this effort are two assumptions: (1) the data being analyzed contain early indicators… read more… data. Examples are daily counts of emergency room visits, over-the-counter (OTC) or prescription medication sales, school absences, doctors’ office visits, veterinary reports, or other data streams that could … E, Picard R, Umland E: Modeling emergency department visit patterns for infectious dis- ease complaints: results …