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Table 5 Data Quality Comparison of Praedico and VA’s Corporate Data Warehouse (CDW), 2019

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

Data Domain

CDW Records

Praedico Missing Records (%)

Bar Code Medication Administration (BCMA)

136,831,255

108 (0.00008%)

Outpatient Encounters

127,046,092

9274 (0.0073%)

Inpatient (Hospitalizations)a

705,011

141 (0.02%)

Laboratory (Chemistry)

559,244,279

4,311,773 (0.771%)

Laboratory (Microbiology)

1,798,704

0 (%)

Pharmacy (Outpatient)

6,386,096

16,668 (0.261%)

Pharmacy (Outpatient-Refills)

262,023,921

98,285,173 (37.51%)

  1. aThe inpatient domain comparison included data from 2010 to 2018. All other domains are 2018 data only