Table 1

List of databases included in the study

Database nameAcronymCountryData typePopulation sizeSocioeconomic statusDrug prescription or dispensing availableHospital treatments (inpatient visits)Outpatient treatments
IBM MarketScan Commercial Claims and Encounters DatabaseCCAEUSAClaims160MAllDispensingYesYes
IBM MarketScan Multi-State Medicaid DatabaseMedicaidUSAClaims33MLowDispensingYesYes
IBM MarketScan Medicare Supplemental DatabaseMedicareUSAClaims10MAllDispensingYesYes
Estonian Health Insurance FundEHIFEstoniaClaims1.4MAllDispensingNoYes
Clinical Practice Research DatalinkCPRDUKEHR, GP15MAllPrescriptionNoYes—primary care
Information System for Research in Primary CareSIDIAPSpainEHR, GP5.8MAllPrescriptionNoYes—primary care
Integrated Primary Care InformationIPCIThe NetherlandsEHR, GP2.5MAllPrescriptionNoYes—primary care
Ajou University School of MedicineAUSOMSouth KoreaEHR, Hospital3.3MAllPrescriptionYesYes