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The Utility of Patient Chief Complaint and ICD 9 Classifiers for the Influenza Sub-Syndrome
Content Type: Abstract
In order to detect influenza outbreaks, the New York State Department of Health emergency department (ED) syndromic surveillance system uses patients’ chief complaint (CC) to assign visits to respiratory and fever syndromes… read more… the New York State (NYS) Department of Health emergency de- partment (ED) syndromic surveillance system uses … the false positives, we de- termined whether they were due to a correctable defi- ciency in the classifier. We … 23% (18%-28%) 60% (51%-69%) PPV CORRECTED (95% CIS) 31% (26%-36%) 79% (72%-86%) False positive CC were usually due to …