Impact of the COVID-19 Pandemic on Health Care Utilization in the Vaccine Safety Datalink: Retrospective Cohort Study
Qian L, Sy L, Hong V, Glenn S, Ryan D, Nelson J, Hambidge S, Crane B, Zerbo O, DeSilva M, Glanz J, Donahue J, Liles E, Duffy J, Xu S. Impact of the COVID-19 Pandemic on Health Care Utilization in the Vaccine Safety Datalink: Retrospective Cohort Study. JMIR Public Health And Surveillance 2024, 10: e48159. PMID: 38091476, PMCID: PMC10807656, DOI: 10.2196/48159.Peer-Reviewed Original ResearchKaiser Permanente Southern CaliforniaHealth care utilizationLater pandemic periodsRetrospective cohort studyElectronic health record dataPre-pandemic levelsEarly pandemic periodHealth record dataCare utilizationCare settingsVisit ratesPre-pandemic periodED visitsCohort studyEmergency departmentCOVID-19Vaccine Safety Datalink ProjectHealth care organizationsCOVID-19 pandemicVaccine Safety DatalinkRecord dataEntire study populationPandemic periodCare organizationsHealth care settings