Table 1.
Descriptions of medical records databases used in study
| Database full (short) names | Country | Active size of database (by mid-2021; No of people) | Latest data available time | Key data available | ||||
|---|---|---|---|---|---|---|---|---|
| Covid-19 vaccines | Hospital treatments | Hospital outcomes | Outpatient treatments | Platelet counts | ||||
| Clinical Practice Research Datalink Aurum (UK CPRD) | UK | 13m | May 2021 | Complete | No | Incomplete | Yes | Yes |
| Information System for Research in Primary Care with minimum basic set of hospital discharge data (CMBD-HA; Spain SIDIAP) | Spain | 6m | June 2021 | Complete | No | Linked | Yes | Yes |
| Integrated Primary Care Information (Netherlands IPCI) | The Netherlands | 2m | June 2021 | Incomplete | No | Incomplete | Yes | Yes |
| IQVIA Longitudinal Patient Data France (France LPD) | France | 2.3m | September 2021 | Incomplete | No | Incomplete | Yes | Yes |
| IQVIA Disease Analyser Germany (Germany DA) | Germany | 8.5m | August 2021 | Incomplete | No | Incomplete | Yes | Yes |
| Medical and Institutional Claims (US Open Claims) | US | 187m | September 2021 | Incomplete | Incomplete | Incomplete | Yes | Yes |
| Charge Data Master (US Hospital CDM) | US | 30m | July 2021 | Incomplete | Yes | Yes | Incomplete | Incomplete |