Yuntian Liu, MPH
Statistician IAbout
Research
Publications
2025
Changes in Cardiovascular Risk Factors and Health Care Expenditures Among Patients Prescribed Semaglutide
Lu Y, Liu Y, Totojani T, Kim C, Khera R, Xu H, Brush J, Krumholz H, Abaluck J. Changes in Cardiovascular Risk Factors and Health Care Expenditures Among Patients Prescribed Semaglutide. JAMA Network Open 2025, 8: e2526013. PMID: 40779264, PMCID: PMC12334959, DOI: 10.1001/jamanetworkopen.2025.26013.Peer-Reviewed Original ResearchConceptsHealth care expendituresCardiovascular risk factorsCare expendituresCohort studyRisk factorsYale New Haven Health SystemCohort study of adultsType 2 diabetes statusLong-term impactStudy of adultsHealth systemRetrospective cohort studyBlood pressureHemoglobin A1c reductionMain OutcomesTotal cholesterolSentara HealthcareInpatient staySecondary outcomesGlucagon-like peptide-1 receptor agonistsPrimary outcomeHealthPeptide-1 receptor agonistsAssociated with clinical outcomesAssociated with reductionsCoronary Artery Disease–Based Polygenic Risk Score in Early-Onset Acute Myocardial Infarction Subtypes
Dong W, Lu Y, Li S, Sawano M, Caraballo C, Liu Y, Khera A, Philippakis A, Dreyer R, Lichtman J, D'Onofrio G, Spatz E, Herrington D, Post W, Rich S, Rotter J, Krumholz H. Coronary Artery Disease–Based Polygenic Risk Score in Early-Onset Acute Myocardial Infarction Subtypes. JACC Advances 2025, 4: 101994. PMID: 40712269, PMCID: PMC12311502, DOI: 10.1016/j.jacadv.2025.101994.Peer-Reviewed Original ResearchAcute myocardial infarction subtypePolygenic risk scoresAcute myocardial infarctionRisk of acute myocardial infarctionRisk scoreCoronary artery diseaseAssociated with acute myocardial infarctionEstimated riskAssociated with higher riskAssociated with MIAcute myocardial infarction patientsMultinomial logistic regressionArtery diseaseNonobstructive coronary artery diseaseLogistic regressionFemale-to-male ratioYoung adultsCox regressionHigh riskInfarction subtypesYoung individualsMyocardial infarctionEarly-onsetScoresSexAssociation Between Neighborhood-Level Social Vulnerability and Hypertension Outcomes
Brush J, Kim C, Liu Y, Xin X, Huang C, Lundy I, Asher J, Sawano M, Young P, McPadden J, Anderson M, Burrows J, Krumholz H, Lu Y. Association Between Neighborhood-Level Social Vulnerability and Hypertension Outcomes. JACC Advances 2025, 4: 101912. PMID: 40627892, PMCID: PMC12272890, DOI: 10.1016/j.jacadv.2025.101912.Peer-Reviewed Original ResearchNeighborhood-level social vulnerabilitySocial Vulnerability IndexAssociated with hypertension prevalenceDiverse cohortSocial Vulnerability Index quartilesElectronic health dataIncident myocardial infarctionBaseline body mass indexDiverse cohort of patientsSocial vulnerabilityBody mass indexPoor BP controlCardiovascular outcomesHypertension prevalenceBlood pressureHypertension outcomesRacial disparitiesHealth dataHypertension managementAssociated with adverse cardiovascular outcomesLongitudinal cohortMass indexWhite raceBlack raceComposite endpointDelayed Hypertension Diagnosis and Its Association With Cardiovascular Treatment and Outcomes
Lu Y, Brush J, Kim C, Liu Y, Xin X, Huang C, Sawano M, Young P, McPadden J, Anderson M, Burrows J, Asher J, Krumholz H. Delayed Hypertension Diagnosis and Its Association With Cardiovascular Treatment and Outcomes. JAMA Network Open 2025, 8: e2520498. PMID: 40658418, PMCID: PMC12261005, DOI: 10.1001/jamanetworkopen.2025.20498.Peer-Reviewed Original ResearchConceptsElectronic health recordsHypertension diagnosisIntegrated health care systemHazard ratioNon-Hispanic black raceAntihypertensive medication prescribingMedication prescription ratesClinical diagnosis of hypertensionHealth care systemCardiovascular outcomesRisk of myocardial infarctionCox proportional hazards regression modelsAssociated with younger ageOutpatient blood pressureBlood pressureCardiovascular riskProportional hazards regression modelsAntihypertensive medication prescriptionsDiagnosis of hypertensionMultivariate Cox proportional hazards regression modelsAssociated with delayHazards regression modelsMedication prescribingHealth recordsNon-HispanicTrends in Prevalence, Treatment, and Relationship of Metabolic Syndrome and Individual Components by Race/Ethnicity, 1999-2018
Lu Y, Li X, Liu Y, Caraballo C, Massey D, Mahajan S, Spatz E, Herrin J, Krumholz H. Trends in Prevalence, Treatment, and Relationship of Metabolic Syndrome and Individual Components by Race/Ethnicity, 1999-2018. JACC Advances 2025, 4: 101785. PMID: 40373521, PMCID: PMC12144450, DOI: 10.1016/j.jacadv.2025.101785.Peer-Reviewed Original ResearchLipid-lowering medication useRacial/ethnic disparitiesMedication useMetS prevalenceRacial/Ethnic DifferencesHispanic individualsAge-standardized prevalence estimatesNational Health and Nutrition Examination SurveyHealth and Nutrition Examination SurveyBlack individualsPersistent racial/ethnic disparitiesFasting GlucoseNutrition Examination SurveyRelationship of metabolic syndromeMetabolic syndromePrescription drug useNationally representative dataExamination SurveyMetS componentsWaist circumferenceEligible individualsTreatment gapRacial/ethnic subgroupsU.S. adultsPrevalence estimates
2024
Using Electronic Health Records to Evaluate Treatment Gaps and Disparities in Severe Hypertension
Lu Y, Liu Y, Kim C, Sussman S, Deshpande O, Krumholz H. Using Electronic Health Records to Evaluate Treatment Gaps and Disparities in Severe Hypertension. JACC Advances 2024, 4: 101428. PMID: 39697770, PMCID: PMC11650125, DOI: 10.1016/j.jacadv.2024.101428.Peer-Reviewed Original ResearchEffect of the COVID-19 Pandemic on Monitoring and Control of Cardiovascular Risk Factors and Disparities
Lu Y, Brush J, Liu Y, Li S, Asher J, Krumholz H. Effect of the COVID-19 Pandemic on Monitoring and Control of Cardiovascular Risk Factors and Disparities. JACC Advances 2024, 3: 101177. PMID: 39220712, PMCID: PMC11364117, DOI: 10.1016/j.jacadv.2024.101177.Peer-Reviewed Original ResearchBarriers to Optimal Clinician Guideline Adherence in Management of Markedly Elevated Blood Pressure
Lu Y, Arowojolu O, Qiu X, Liu Y, Curry L, Krumholz H. Barriers to Optimal Clinician Guideline Adherence in Management of Markedly Elevated Blood Pressure. JAMA Network Open 2024, 7: e2426135. PMID: 39106065, PMCID: PMC11304113, DOI: 10.1001/jamanetworkopen.2024.26135.Peer-Reviewed Original ResearchConceptsBarriers to guideline adherenceElectronic health recordsGuideline adherenceClinician adherenceEHR dataElevated blood pressureHypertension managementAnalysis of EHR dataYale New Haven Health SystemSevere hypertensionClinical practice guidelinesAdherence scenariosQualitative content analysisPublic health challengeThematic saturationHealth recordsHealth systemBlood pressureThematic analysisTargeted interventionsManagement of severe hypertensionQualitative studyHealth challengesPractice guidelinesPatient outcomesHypertension Trends and Disparities Over 12 Years in a Large Health System: Leveraging the Electronic Health Records
Brush J, Lu Y, Liu Y, Asher J, Li S, Sawano M, Young P, Schulz W, Anderson M, Burrows J, Krumholz H. Hypertension Trends and Disparities Over 12 Years in a Large Health System: Leveraging the Electronic Health Records. Journal Of The American Heart Association 2024, 13: e033253. PMID: 38686864, PMCID: PMC11179912, DOI: 10.1161/jaha.123.033253.Peer-Reviewed Original ResearchConceptsElectronic health recordsRegional health systemImprove hypertension careHealth systemHealth recordsHypertension careDiastolic blood pressureAge-adjusted prevalence ratesNon-Hispanic black patientsPrevalence ratesLarger health systemCross-sectional analysisTransformation of medical dataLeveraging real-world dataHigh prevalence rateHypertension trendsHypertension prevalenceBlood pressureBlood pressure measurementsHypertension diagnosisPrimary outcomeNational trendsProportion of patientsAntihypertensive medicationsBlack patients
2023
National Trends in Racial and Ethnic Disparities in Use of Recommended Therapies in Adults with Atherosclerotic Cardiovascular Disease, 1999-2020
Lu Y, Liu Y, Dhingra L, Caraballo C, Mahajan S, Massey D, Spatz E, Sharma R, Rodriguez F, Watson K, Masoudi F, Krumholz H. National Trends in Racial and Ethnic Disparities in Use of Recommended Therapies in Adults with Atherosclerotic Cardiovascular Disease, 1999-2020. JAMA Network Open 2023, 6: e2345964. PMID: 38039001, PMCID: PMC10692850, DOI: 10.1001/jamanetworkopen.2023.45964.Peer-Reviewed Original ResearchConceptsAtherosclerotic cardiovascular diseaseHistory of ASCVDCross-sectional studyLifestyle modificationPharmacological medicationsOptimal careCurrent careUS adultsEthnic differencesWhite individualsGuideline-recommended therapiesTotal cholesterol controlNon-Hispanic white individualsNutrition Examination SurveyLatino individualsQuality of careSelf-reported raceStatin useRecommended TherapiesSecondary preventionCholesterol controlOptimal regimensSmoking cessationEligible participantsExamination Survey
News
News
Get In Touch
Contacts
Email
Locations
Clinical NLP Lab
Lab
100 College Street, Fl 9th
New Haven, CT 06510