2021
Association of COVID-19 Hospitalization Volume and Case Growth at US Hospitals with Patient Outcomes
Khera R, Liu Y, de Lemos JA, Das SR, Pandey A, Omar W, Kumbhani DJ, Girotra S, Yeh RW, Rutan C, Walchok J, Lin Z, Bradley SM, Velazquez EJ, Churchwell KB, Nallamothu BK, Krumholz HM, Curtis JP. Association of COVID-19 Hospitalization Volume and Case Growth at US Hospitals with Patient Outcomes. The American Journal Of Medicine 2021, 134: 1380-1388.e3. PMID: 34343515, PMCID: PMC8325555, DOI: 10.1016/j.amjmed.2021.06.034.Peer-Reviewed Original ResearchConceptsCOVID-19 hospitalizationHospitalization volumeAmerican Heart Association COVID-19 Cardiovascular Disease RegistryCase volumeUS hospitalsCoronavirus disease 2019 (COVID-19) hospitalizationIntensive care unit therapyHospital case fatality ratePoor COVID-19 outcomesCardiovascular Disease RegistryHospital case volumeCase fatality rateCOVID-19 outcomesHospital bed capacityLowest quartilePatient outcomesHospital careHigher oddsTriage strategiesFuture health challengesDisease RegistryMedical treatmentEarly identificationHospitalSignificant association
2019
Validating the use of registries and claims data to support randomized trials: Rationale and design of the Extending Trial-Based Evaluations of Medical Therapies Using Novel Sources of Data (EXTEND) Study
Strom JB, Tamez H, Zhao Y, Valsdottir LR, Curtis J, Brennan JM, Shen C, Popma JJ, Mauri L, Yeh RW. Validating the use of registries and claims data to support randomized trials: Rationale and design of the Extending Trial-Based Evaluations of Medical Therapies Using Novel Sources of Data (EXTEND) Study. American Heart Journal 2019, 212: 64-71. PMID: 30953936, PMCID: PMC6535119, DOI: 10.1016/j.ahj.2019.02.007.Peer-Reviewed Original ResearchConceptsMedical therapyDual Antiplatelet Therapy StudyEnd pointEnd-point eventsClinical trial programEfficacy of therapyPatient-level dataClinical trial dataHealth system dataUse of registriesNew medical treatmentsProcedural registryRandomized trialsClaims databasePatient populationNational registryAdministrative claimsOutcome dataMedical treatmentTrial programTrial dataRegistryTrial informationTherapy studiesTrial results