Public health surveillance in the U.S. Department of Veterans Affairs: evaluation of the Praedico surveillance system

Table 3 Query execution and download times for Praedico vs. National Syndromic Surveillance Program (NSSP) ESSENCE System^a

Time of Day (Pacific Time)	Average Praedico Execution Time	Average ESSENCE Execution Time	Average Praedico Download Time	Average ESSENCE Download Time
9 am - 11 am	6 s	19 s	1 min, 38 s	43 s
11 am - 1 pm	7 s	18 s	29 s	46 s
1 pm – 3 pm	4 s	17 s	39 s	47 s
Overall	5 s	18 s	53 s	45 s

^aQueries consisted of 5 equivalent queries during each time frame: 2 ICD-10-CM diagnosis (Influenza and COVID-19) and 3 syndrome queries (Fever, Gastrointestinal and Influenza-like-illness) from emergency department/urgent care settings and results were downloaded to Microsoft Excel

ISSN: 1471-2458