Table 2

Metadata for clinical data sources in external dataset (SIVE II)

Data SourceNumber of RecordsNumber of IndividualsExtraction DateData Specification Date Range
Primary Care Prescribing29 360 4481 073 377May 2017January 2003–March 2017
Primary Care Encounters31 878 4231 887 957May 2017January 2000*–March 2017
Accident & Emergency4 116 5611 247 314April 2017June 2007– August 2016
Hospital Inpatient Admissions3 549 174794 937April 2017January 2000–March 2017
MortalityNA215 466April 2017January 2000– March 2017
  • *Diagnosis codes entered in this period, but post-dated from 1940 onwards retained.