# Data Information
The following databases were used in this study:
| Database | Name | Country | Type | Years |--------|----------|-----|-----|-----| | OptumDoD | Optum® De-Identified Clinformatic Data Mart Database – Date of Death (DOD) | USA | Claims | 2000-2019 | | CCAE | IBM MarketScan® Commercial Database | USA | Claims | 2000-2019 | | MDCD | IBM MarketScan® Multi-State Medicaid Database | USA | Claims | 2006-2019 | | MDCR | IBM MarketScan® Medicare Supplemental Database | USA | Claims | 2000-2019 | | JMDC | Japan Medical Data Center | Japan | Claims | 2000-2019 | | optumEhr | Optum® de-identified Electronic Health Record Dataset | USA | EHR | 2006-2019 | |
All databases obtained IRB approval or used deidentified data that was considered exempt from IRB approval.
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