Kyungseon Choi, PharmD, PhD, MSc
he/him/his
Postdoctoral AssociateDownloadHi-Res Photo
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Education
PhD
Kyung Hee University, Department of Regulatory Science / Pharmaceutical Economics, Big Data Analysis, & Policy (2025)
Kyung Hee University, Department of Regulatory Science / Pharmaceutical Economics, Big Data Analysis, & Policy (2025)
MSc
Pusan National University, College of Pharmacy / Pharmaceutical Economics, Outcomes Research, & Policy (2022)
Pusan National University, College of Pharmacy / Pharmaceutical Economics, Outcomes Research, & Policy (2022)
PharmD
Pusan National University, College of Pharmacy (2020)
Pusan National University, College of Pharmacy (2020)
About
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Titles
Postdoctoral Associate
Biography
Dr. Kyungseon Choi is a Postdoctoral Associate at the Yale School of Medicine and the Center for Outcomes Research and Evaluation (CORE) at Yale New Haven Hospital. He holds Ph.D. and M.S. in Pharmaceutical Economics, Big Data Analysis, and Policy and a Pharm.D. from Pusan National University. His expertise lies in Health Economics, Outcomes Research (HEOR), and Health Policy, with a focus on epidemiology and economic evaluation. Dr. Choi is proficient in analyzing real-world data from sources like claims databases and electronic medical records. His dissertation utilized Bayesian causal inference to study the comparative effectiveness of treatments for diabetic macular edema using real-world data and randomized clinical trial data. Dr. Choi's achievements have been recognized with awards such as the Outstanding PhD Dissertation Award in Medicine and the Young Researcher Award in Regulatory Science.
Last Updated on September 02, 2025.
Departments & Organizations
Education & Training
- PhD
- Kyung Hee University, Department of Regulatory Science / Pharmaceutical Economics, Big Data Analysis, & Policy (2025)
- MSc
- Pusan National University, College of Pharmacy / Pharmaceutical Economics, Outcomes Research, & Policy (2022)
- PharmD
- Pusan National University, College of Pharmacy (2020)
Research
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Overview
Public Health Interests
Bayesian Statistics; Cardiovascular Diseases; Chronic Diseases; Epidemiology Methods; Global Health; Health Economics; Health Insurance; Health Policy; Modeling; Pharmaceuticals and Medical Devices; Pharmacoepidemiology; Regulatory Affairs
ORCID
0000-0002-6616-6842
Research at a Glance
Yale Co-Authors
Frequent collaborators of Kyungseon Choi's published research.
Publications Timeline
A big-picture view of Kyungseon Choi's research output by year.
Erica Spatz, MD, MHS
Harlan Krumholz, MD, SM
Yuan Lu, ScD
8Publications
101Citations
Publications
2026
Single-Pill Combination Therapy for Hypertension Persistent Underuse in the United States, 2015-2025
Choi K, Kim C, Spatz E, Krumholz H, Lu Y. Single-Pill Combination Therapy for Hypertension Persistent Underuse in the United States, 2015-2025. Journal Of The American College Of Cardiology 2026 PMID: 42089854, DOI: 10.1016/j.jacc.2026.03.088.Peer-Reviewed Original ResearchAltmetric
2025
Impact of COVID-19 on disease-specific mortality, healthcare resource utilization, and disease burden across a population over 1 billion in 31 countries: an interrupted time-series analysis
Choi K, Jang M, Kim S, Park S, Suh H. Impact of COVID-19 on disease-specific mortality, healthcare resource utilization, and disease burden across a population over 1 billion in 31 countries: an interrupted time-series analysis. EClinicalMedicine 2025, 85: 103315. PMID: 40686673, PMCID: PMC12273489, DOI: 10.1016/j.eclinm.2025.103315.Peer-Reviewed Original ResearchCitationsAltmetricConceptsHealthcare resource utilizationDisease-specific measuresInterrupted time series analysisDisease-specific mortalityDisease burdenOutpatient visitsContinuity of careChronic disease managementMonthly mortality dataPublic health policiesDisease categoriesDisease-specific mortality ratesPer capita costMortality rateResilient healthcare systemHealth policyHealthcare servicesMortality dataCirculatory diseasesNational Research FoundationHealth DynamicsHealthcare systemPatient numbersDisease burden dataMental disordersHealthcare Costs in HER2-Positive Metastatic Breast Cancer Patients under Third and Subsequent Line of Therapy
Jang M, Choi K, Suh H. Healthcare Costs in HER2-Positive Metastatic Breast Cancer Patients under Third and Subsequent Line of Therapy. Drug Targets And Therapeutics 2025, 4: 43-47. DOI: 10.58502/dtt.24.0021.Peer-Reviewed Original Research
2024
Patient-Centered Economic Burden of Diabetic Macular Edema: Retrospective Cohort Study
Choi K, Park S, Yoon H, Choi S, Mun Y, Kim S, Yoo S, Woo J, Park K, Na J, Suh H. Patient-Centered Economic Burden of Diabetic Macular Edema: Retrospective Cohort Study. JMIR Public Health And Surveillance 2024, 10: e56741. PMID: 39378098, PMCID: PMC11496919, DOI: 10.2196/56741.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsBurden of diabetic macular edemaDiabetic macular edemaIntravitreal anti-VEGFPatients aged >Anti-VEGFRetrospective cohort studyDiabetes mellitusDiabetic retinopathySteroid prescriptionsCohort studyEconomic burdenSeoul National University Bundang HospitalNonproliferative diabetic retinopathyPatient burdenHealthcare resource utilizationOut-of-pocket costsIncremental economic burdenMacular edemaCost-effective drugsPropensity score matchingDevelopment of innovative treatmentsEye examinationReimbursement costsDiabetic patientsEarly diagnosis
2023
Patient-Centered Economic Burden of Exudative Age-Related Macular Degeneration: Retrospective Cohort Study
Choi K, Park S, Han S, Mun Y, Lee D, Chang D, Kim S, Yoo S, Woo J, Park K, Suh H. Patient-Centered Economic Burden of Exudative Age-Related Macular Degeneration: Retrospective Cohort Study. JMIR Public Health And Surveillance 2023, 9: e49852. PMID: 38064251, PMCID: PMC10746973, DOI: 10.2196/49852.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsExudative age-related macular degenerationNonexudative age-related macular degenerationAge-related macular degenerationDiagnosis of exudative age-related macular degenerationExudative AMD groupPatients aged >Retrospective cohort studyAnti-VEGFAMD groupMacular degenerationAnti-vascular endothelial growth factorCohort studyEconomic burdenLong-term regular useOut-of-pocket costsSeoul National University Bundang HospitalControl groupFollow-up periodMedical costsIncremental costEndothelial growth factorEconomic burden of patientsTotal medical costsBaseline demographicsBurden of patients
2022
Efficacy of melatonin for chronic insomnia: Systematic reviews and meta-analyses
Choi K, Lee Y, Park S, Je N, Suh H. Efficacy of melatonin for chronic insomnia: Systematic reviews and meta-analyses. Sleep Medicine Reviews 2022, 66: 101692. PMID: 36179487, DOI: 10.1016/j.smrv.2022.101692.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsCitationsAltmetricMeSH Keywords and ConceptsConceptsSleep onset latencyChronic insomniaComorbid insomniaTotal sleep timeOnset latencyEfficacy of melatoninSleep timeSleep efficiencySleep qualityAdult groupRandomized Controlled TrialsMeta-analysesHypnotic agentsInsomniaAge groupsStudy of patientsSafety of melatoninSystematic reviewSleepAdolescentsAdultsPlaceboSubgroup analysisLatencyCochrane LibraryClinical and economic impact of changing reimbursement criteria for statin treatment among patients with type 2 diabetes mellitus in South Korea
Kim S, Choi K, Kim J, Suh H. Clinical and economic impact of changing reimbursement criteria for statin treatment among patients with type 2 diabetes mellitus in South Korea. Frontiers In Pharmacology 2022, 13: 924141. PMID: 36110517, PMCID: PMC9468931, DOI: 10.3389/fphar.2022.924141.Peer-Reviewed Original ResearchConceptsType 2 diabetes mellitusCV eventsLDL-CStatin treatmentReimbursement criteriaCoronary heart diseaseT2DM patientsMethods:Primary prevention of CV eventsPrevention of CV eventsPrimary preventionResults:Incidence rateLDL-C thresholdsLow-density lipoprotein cholesterolEfficacy of atorvastatinCV event ratesIncidence rates of coronary heart diseasePropensity score matchingRates of coronary heart diseaseLipoprotein cholesterolBurden of CV diseaseCV diseaseClinical trialsNo history
2020
Emergency department visits and hospitalisations for emergent asthmatic symptoms from 2014 to 2016: cross-sectional study in Korea
Choi K, Han S, Suh H. Emergency department visits and hospitalisations for emergent asthmatic symptoms from 2014 to 2016: cross-sectional study in Korea. BMJ Open 2020, 10: e036237. PMID: 32792435, PMCID: PMC7430419, DOI: 10.1136/bmjopen-2019-036237.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsED visitsEmergency departmentIntensive care unitCharacteristics of emergency patientsEmergency Department Information System databaseNational Emergency Department Information System databaseAge groupsEmergent symptomsEmergency patientsEmergency department visitsMedical resource utilisationProportion of deathsCross-sectional studyYears age groupInformation System databaseIntensive care unit admissionAsthma diagnosisDepartment visitsWard admissionYears of ageDiagnosis codesGeneral wardsInclusion criteriaVisitsOlder patients
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