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

Table 6 Praedico’s Daily and Weekend Lookback Settings, by Data Domain

Data Domain	Daily incremental lookback	Weekend incremental lookback
Bar Code Medication Administration (BCMA)	Last 25,000 records	Last 300,000 records
Outpatient Encounters	Last 15,000 records	Last 75,000 records
Inpatient (Hospitalizations)	Last 5000 records	Last 50,000 records
Laboratory (Chemistry)^a	Last 14 days	Last 185 days
Laboratory (Microbiology)	Last 63 days	Last 185 days
Pharmacy (Outpatient)	Last 5000 records	Last 5000 records
Pharmacy (Outpatient-Refills)	Last 7 days	Last 7 days
Pharmacy (Inpatient)	Last 14 days	Last 38 days

^aDaily incremental extract examines last 60 days of records (185 for weekend incremental extract) based on specimen collection date, then within this window, selects any new or changed records within the last 14 days (either collection date or report completion date)

ISSN: 1471-2458