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Biostatistician
Biography
Zhen Tan is a biostatistician on the analyst team at Yale/YNHH Center for Outcomes Research and Evaluation (CORE). Before joining CORE, Zhen received his MS degree in Biostatistics from Yale University in May 2021. Zhen brings his expertise in data analysis and statistical modeling to CORE, and his goal is to use his statistical skills to tackle real-world health problems.
Last Updated on January 25, 2024.
Departments & Organizations
Education & Training
- MS
- Yale University, Biostatistics
- BA
- Macalester College, Applied Mathematics & Statistics
Research
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Research at a Glance
Yale Co-Authors
Frequent collaborators of Zhen Tan's published research.
James V. Freeman, MD, MPH, MS
Jeptha Curtis, MD
Kamil Faridi, MD, MSc
Sarah Zimmerman, MS
Zhenqiu Lin, PhD
Amit N. Vora, MD, MPH, FACC, FSCAI
Publications
2024
Testing the Feasibility of a Cross-Setting Measure to Address the Rising Trend in Hospital Outpatient TJA Procedures
Wallace L, Tan Z, Barthel A, Sáenz M, Grady J, Balestracci K, Bozic K, Myers R, McDonough D, Lin Z, Suter L. Testing the Feasibility of a Cross-Setting Measure to Address the Rising Trend in Hospital Outpatient TJA Procedures. Journal Of Bone And Joint Surgery-American Volume 2024, 107: 604-613. PMID: 39637009, DOI: 10.2106/jbjs.23.01395.Peer-Reviewed Original ResearchAltmetricConceptsCenters for Medicare & Medicaid ServicesOutpatient settingEvaluate care qualityElective primary total hipMedian odds ratioMedicare administrative claimsPrognostic Level IIIHierarchical logistic regressionDescription of levels of evidenceCare qualityLevel of evidenceHospital performancePrimary total hipAssess hospitalProvider inputHospital-specificMedicaid ServicesAdministrative claimsReduce painOdds ratioRepresentative populationImprove FunctionLogistic regressionTotal knee arthroplastyCoding practicesAssociation of chronic kidney disease and kidney failure with replacement therapy with procedural and long-term outcomes after first-generation Watchman device: Insights from the NCDR LAAO Registry
Munir M, Tan Z, Pun P, Wang Y, Tandar A, Darden D, Hsu J, Friedman D, Curtis J, Freeman J. Association of chronic kidney disease and kidney failure with replacement therapy with procedural and long-term outcomes after first-generation Watchman device: Insights from the NCDR LAAO Registry. Heart Rhythm 2024, 22: 1443-1451. PMID: 39515495, DOI: 10.1016/j.hrthm.2024.10.071.Peer-Reviewed Original ResearchCitationsAltmetricConceptsChronic kidney diseaseLong-term outcomesLeft atrial appendage occlusionAssociation of chronic kidney diseaseNational Cardiovascular Data Registry LAAO RegistryReplacement therapyAdverse eventsAtrial fibrillationKidney diseaseKidney failureAssociated with higher ratesIn-Hospital DeathRisk of strokeRate of strokeBilling claimsAF patientsProcedural complicationsAppendage occlusionWatchman deviceMultivariate analysisKFRTHigh riskPatientsRegistryComplicationsAssociation of Physician Certification and Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion
Vora A, Pereira L, Du C, Tan Z, Huang C, Friedman D, Wang Y, Faridi K, Lakkireddy D, Zimmerman S, Higgins A, Kapadia S, Curtis J, Freeman J. Association of Physician Certification and Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion. JACC Cardiovascular Interventions 2024, 18: 591-602. PMID: 39474982, DOI: 10.1016/j.jcin.2024.10.020.Peer-Reviewed Original ResearchCitationsAltmetricConceptsPhysician certificationAppendage occlusionAdverse eventsPercutaneous left atrial appendage occlusionLong-term oral anticoagulationDischarged patientsMultivariate Cox proportional hazards regression analysisRate of procedural complicationsLeft atrial appendage occlusionCox proportional hazards regression analysisProportional hazards regression analysisRisk of adverse eventsHazards regression analysisIn-Hospital DeathOral anticoagulantsWatchman FLXNo significant differenceLAAO devicesProcedural complicationsStratify patientsIntracardiac echocardiographyAtrial fibrillationEligible patientsIdentified patientsMultivariable adjustmentProcedural volume and outcomes with atrial fibrillation ablation: A report from the NCDR AFib Ablation Registry
Kattel S, Tan Z, Lin Z, Mszar R, Sanders P, Zeitler E, Zei P, Bunch T, Mansour M, Akar J, Curtis J, Friedman D, Freeman J. Procedural volume and outcomes with atrial fibrillation ablation: A report from the NCDR AFib Ablation Registry. Heart Rhythm 2024, 22: 37-48. PMID: 38960302, DOI: 10.1016/j.hrthm.2024.06.056.Peer-Reviewed Original ResearchCitationsAltmetricConceptsProcedure volumeProcedural successVolume outcome relationshipAblation RegistryPhysician procedure volumeAtrial fibrillationPhysician volumeFirst-time AF ablationU.S. hospitalsNational cohortLikelihood of procedural successHospital volumeAcute procedural successAtrial fibrillation ablationPhysiciansHospitalAF ablationCompare outcomesNCDRRegistryAdverse eventsOutcome relationshipAnnual volumeMAE rateOutcomesProcedure Volume and Outcomes With WATCHMAN Left Atrial Appendage Occlusion
Friedman D, Du C, Zimmerman S, Tan Z, Lin Z, Vemulapalli S, Kosinski A, Piccini J, Pereira L, Minges K, Faridi K, Masoudi F, Curtis J, Freeman J. Procedure Volume and Outcomes With WATCHMAN Left Atrial Appendage Occlusion. Circulation Cardiovascular Interventions 2024, 17: e013466. PMID: 38889251, PMCID: PMC11189610, DOI: 10.1161/circinterventions.123.013466.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsVolume-outcome relationshipLikelihood of procedural successLeft atrial appendage occlusionProcedural successProcedure volumeAppendage occlusionNational Cardiovascular Data Registry LAAO RegistryVolume quartilesLeft atrial appendage occlusion devicesThree-level hierarchical generalized linear modelsMinimum volume thresholdsWatchman FLX deviceProcedural success rateHierarchical generalized linear modelsAssociated with outcomePhysician volumeWATCHMAN procedureFLX deviceOcclusion deviceVolume thresholdCardiovascular proceduresPhysiciansHospitalNational analysisSuccess rate
2023
Watchman device migration and embolization: A report from the NCDR LAAO Registry
Friedman D, Freeman J, Zimmerman S, Tan Z, Pereira L, Faridi K, Curtis J. Watchman device migration and embolization: A report from the NCDR LAAO Registry. Journal Of Cardiovascular Electrophysiology 2023, 34: 1192-1195. PMID: 37078339, PMCID: PMC10290479, DOI: 10.1111/jce.15909.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsWATCHMAN procedureSurgical retrievalDevice migrationMortality rateAtrial appendage closure deviceHospital mortality rateAnnual procedure volumeCardiac surgeryHospital eventsPostdischarge eventsOstial sizeDevice embolizationTaller patientsRetrospective analysisClosure deviceLAA ostiumPatientsProcedure volumeHigh mortalitySurgerySubstantial proportionEmbolizationRegistryGreater body massBody mass
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