Key Database Statistics

Sentinel Distributed Database (SDD) Statistics Summary: 2000-2018

The SDD has a cumulative 310.8 million patient identifiers from 2000 to 2018. If patients move between health plans, they may have more than one patient identifier. Among those, there are:

  • 71.6┬ámillion members currently accruing new data
  • 11.7 billion pharmacy dispensings
  • 15.0 billion unique medical encounters
  • 48.5 million members with at least one laboratory test result
  • 4.1 million linked deliveries
  • 668 million person-years of data

Member Enrollment in the SDD, by Year

Length of Enrollment for Members in the SDD

Member Distribution of the SDD, by Geographical Region

Age Distribution of Members of the SDD

Sex Distribution of Members in the SDD

Growth of the SDD

Scroll to Top