2021
Age‐Related Trajectories of Cardiovascular Risk and Use of Aspirin and Statin Among U.S. Adults Aged 50 or Older, 2011–2018
Rhee TG, Kumar M, Ross JS, Coll PP. Age‐Related Trajectories of Cardiovascular Risk and Use of Aspirin and Statin Among U.S. Adults Aged 50 or Older, 2011–2018. Journal Of The American Geriatrics Society 2021, 69: 1272-1282. PMID: 33598936, PMCID: PMC9869399, DOI: 10.1111/jgs.17038.Peer-Reviewed Original ResearchConceptsUse of aspirinStatin useAspirin useCardiovascular riskSecondary preventionMedication usePrimary preventionAge-related trajectoriesAge 50Prevention treatmentAngina/angina pectorisLow-dose aspirin dailyLong-term statin useOlder adultsDaily aspirin usePrimary prevention treatmentSecondary prevention treatmentSubsequent CVD eventsFirst cardiovascular eventCoronary heart diseaseAdults Aged 50Nutrition Examination SurveyCross-sectional studyHealth Interview SurveyNon-institutionalized adults
2019
Age-treatment subgroup analyses in Cochrane intervention reviews: a meta-epidemiological study
Liu P, Ioannidis JPA, Ross JS, Dhruva SS, Luxkaranayagam AT, Vasiliou V, Wallach JD. Age-treatment subgroup analyses in Cochrane intervention reviews: a meta-epidemiological study. BMC Medicine 2019, 17: 188. PMID: 31639007, PMCID: PMC6805640, DOI: 10.1186/s12916-019-1420-8.Peer-Reviewed Original ResearchConceptsCochrane intervention reviewsFormal interaction testingSubgroup analysisIntervention reviewsClinical practice resourcesInsufficient trial dataPotential subgroup differencesMeta-epidemiological studyIndividual subgroup analysisCochrane reviewAppropriate statistical testsClinical significanceClinical careSubgroup findingsTrial dataClinical resourcesHealthcare interventionsBiological rationaleAnalysis of ageTrialsIndividual trialsDemographic characteristicsPractice resourcesSubgroup differencesClinical translationAdoption of New Glucose-Lowering Medications in the U.S.—The Case of SGLT2 Inhibitors: Nationwide Cohort Study
McCoy R, Dykhoff HJ, Sangaralingham L, Ross JS, Karaca-Mandic P, Montori VM, Shah N. Adoption of New Glucose-Lowering Medications in the U.S.—The Case of SGLT2 Inhibitors: Nationwide Cohort Study. Diabetes Technology & Therapeutics 2019, 21: 702-712. PMID: 31418588, PMCID: PMC7207017, DOI: 10.1089/dia.2019.0213.Peer-Reviewed Original ResearchConceptsSodium-glucose cotransporter 2 inhibitorsGlucose-lowering medicationsHeart failureKidney diseaseMyocardial infarctionHigh-quality diabetes careMedicare Advantage insurancePrevalent adverse effectsRenal protective benefitsTreatment-risk paradoxNationwide cohort studyCotransporter 2 inhibitorsGlucose-lowering therapyPrior myocardial infarctionGlucose lowering medicationsChronic diabetes complicationsMultivariable logistic regressionNon-black patientsType 2 diabetesDiabetes type 1Insurance-related factorsCommercial health insuranceAppropriateness of usePrior hypoglycemiaSGLT2i initiationUse of Mechanical Cardiopulmonary Resuscitation Devices for Out-of-Hospital Cardiac Arrest, 2010-2016
Kahn PA, Dhruva SS, Rhee TG, Ross JS. Use of Mechanical Cardiopulmonary Resuscitation Devices for Out-of-Hospital Cardiac Arrest, 2010-2016. JAMA Network Open 2019, 2: e1913298. PMID: 31617923, PMCID: PMC6806423, DOI: 10.1001/jamanetworkopen.2019.13298.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overBlack or African AmericanCardiopulmonary ResuscitationCross-Sectional StudiesDatabases, FactualEmergency Medical ServicesFemaleHispanic or LatinoHumansIncomeMaleMiddle AgedNew EnglandOut-of-Hospital Cardiac ArrestRetrospective StudiesSex FactorsSuburban Health ServicesWhite PeopleYoung AdultConceptsHospital cardiac arrestMechanical cardiopulmonary resuscitationMechanical CPR deviceAdjusted odds ratioCardiac arrestCardiopulmonary resuscitationManual cardiopulmonary resuscitationCPR deviceOdds ratioNational Emergency Medical Services Information System dataUse of CPRRetrospective cross-sectional studyMechanical cardiopulmonary resuscitation devicesEMS professionalsRisk-standardized ratesPatient demographic characteristicsPrior clinical trialsCross-sectional studyEvidence of benefitCardiopulmonary resuscitation devicesEmergency medical services (EMS) professionalsNortheast census regionMultivariable analysisClinical trialsPrehospital setting
2018
Trends in opioid use in commercially insured and Medicare Advantage populations in 2007-16: retrospective cohort study
Jeffery MM, Hooten WM, Henk HJ, Bellolio MF, Hess EP, Meara E, Ross JS, Shah ND. Trends in opioid use in commercially insured and Medicare Advantage populations in 2007-16: retrospective cohort study. The BMJ 2018, 362: k2833. PMID: 30068513, PMCID: PMC6066997, DOI: 10.1136/bmj.k2833.Peer-Reviewed Original ResearchConceptsMedicare Advantage beneficiariesAverage daily doseDisabled Medicare beneficiariesAged Medicare beneficiariesRetrospective cohort studyDaily doseOpioid useMedicare beneficiariesLong-term useCohort studyCommercial beneficiariesStudy periodUse prevalenceOpioid use prevalenceHigh rateMedicare Advantage populationTerm useAge 65 yearsOpioid use ratesAdministrative claims dataAverage daily dosesProportion of beneficiariesQuarterly prevalenceMorphine equivalentsOpioid prescriptions
2017
Age Differences in Hospital Mortality for Acute Myocardial Infarction: Implications for Hospital Profiling.
Dharmarajan K, McNamara RL, Wang Y, Masoudi FA, Ross JS, Spatz EE, Desai NR, de Lemos JA, Fonarow GC, Heidenreich PA, Bhatt DL, Bernheim SM, Slattery LE, Khan YM, Curtis JP. Age Differences in Hospital Mortality for Acute Myocardial Infarction: Implications for Hospital Profiling. Annals Of Internal Medicine 2017, 167: 555-564. PMID: 28973634, PMCID: PMC9359429, DOI: 10.7326/m16-2871.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionOlder patientsYounger patientsMyocardial infarctionAge groupsHospital risk-standardized mortality ratesRetrospective cohort studyHospital mortality rankingsNational Quality ForumHospital mortalityMedian hospitalHospital outcomesCohort studyACTION RegistryAMI mortalityAmerican CollegeMedicare beneficiariesAMI hospitalizationPatientsMortality rateHospitalQuality ForumHospital ValueHospital profilingFactors Associated with Refugee Acute Healthcare Utilization in Southern Connecticut
Semere W, Agrawal P, Yun K, Di Bartolo I, Annamalai A, Ross JS. Factors Associated with Refugee Acute Healthcare Utilization in Southern Connecticut. Journal Of Immigrant And Minority Health 2017, 20: 327-333. PMID: 28382427, DOI: 10.1007/s10903-017-0574-8.Peer-Reviewed Original ResearchConceptsAcute care useAcute care visitsCare useMonths of arrivalCare visitsMedical evaluationDay of arrivalAcute healthcare utilizationRetrospective cohort studyAcute care utilizationCohort studyCare utilizationHealthcare utilizationMale sexHospital visitsEmergency roomPrior historyHealth characteristicsLower likelihoodSouthern ConnecticutGreater likelihoodVisitsTimely evaluationAdult refugeesMonths
2016
Risk-standardized Acute Admission Rates Among Patients With Diabetes and Heart Failure as a Measure of Quality of Accountable Care Organizations
Spatz ES, Lipska KJ, Dai Y, Bao H, Lin Z, Parzynski CS, Altaf FK, Joyce EK, Montague JA, Ross JS, Bernheim SM, Krumholz HM, Drye EE. Risk-standardized Acute Admission Rates Among Patients With Diabetes and Heart Failure as a Measure of Quality of Accountable Care Organizations. Medical Care 2016, 54: 528-537. PMID: 26918404, PMCID: PMC5356461, DOI: 10.1097/mlr.0000000000000518.Peer-Reviewed Original ResearchConceptsHeart failure measuresAccountable care organizationsAcute admission ratesHeart failureAdmission ratesNational ratesUnplanned hospital admissionsHeart failure cohortRisk-adjustment variablesPopulation-based measuresCare organizationsOutcome measure developmentIntraclass correlation coefficientHospital admissionDiabetes measuresFailure cohortChronic conditionsMedicare feeDiabetesService beneficiariesPatientsMeet criteriaMeasures of qualitySocioeconomic statusPerformance categoriesParticipation of the elderly, women, and minorities in pivotal trials supporting 2011–2013 U.S. Food and Drug Administration approvals
Downing NS, Shah ND, Neiman JH, Aminawung JA, Krumholz HM, Ross JS. Participation of the elderly, women, and minorities in pivotal trials supporting 2011–2013 U.S. Food and Drug Administration approvals. Trials 2016, 17: 199. PMID: 27079511, PMCID: PMC4832528, DOI: 10.1186/s13063-016-1322-4.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedClinical Trials as TopicCross-Sectional StudiesDatabases, FactualDrug ApprovalEthnicityFemaleHealth Status DisparitiesHealthcare DisparitiesHumansMaleMiddle AgedMinority GroupsPatient SelectionSex FactorsTime FactorsUnited StatesUnited States Food and Drug AdministrationConceptsSubgroup efficacy analysesPivotal trialsEfficacy analysisNovel therapeuticsSubgroup analysisTrial participantsU.S. FoodMean proportionAvailable FDA documentsCross-sectional studyDrug Administration approvalBasis of approvalYears of ageTrial patientsElderly patientsMedian ageBlack patientsAsian patientsAdministration approvalClinical studiesFDA reviewersPatientsHispanic participantsTrialsDemographic characteristics
2015
Older Women With Localized Breast Cancer: Costs And Survival Rates Increased Across Two Time Periods
Feinstein AJ, Long J, Soulos PR, Ma X, Herrin J, Frick KD, Chagpar AB, Krumholz HM, Yu JB, Ross JS, Gross CP. Older Women With Localized Breast Cancer: Costs And Survival Rates Increased Across Two Time Periods. Health Affairs 2015, 34: 592-600. PMID: 25847641, DOI: 10.1377/hlthaff.2014.1119.Peer-Reviewed Original ResearchConceptsStage II diseaseStage III diseaseCancer-related costsCancer careBreast cancerMedian costSurvival rateEnd Results Program-MedicareFive-year survivalCancer care costsBreast surgerySurvival outcomesImproved outcomesOlder womenRadiation therapyCare costsStage IIDiseaseStudy periodWomenCancerCareSignificant national attentionOutcomesPercent
2014
National Trends in US Hospital Admissions for Hyperglycemia and Hypoglycemia Among Medicare Beneficiaries, 1999 to 2011
Lipska KJ, Ross JS, Wang Y, Inzucchi SE, Minges K, Karter AJ, Huang ES, Desai MM, Gill TM, Krumholz HM. National Trends in US Hospital Admissions for Hyperglycemia and Hypoglycemia Among Medicare Beneficiaries, 1999 to 2011. JAMA Internal Medicine 2014, 174: 1116-1124. PMID: 24838229, PMCID: PMC4152370, DOI: 10.1001/jamainternmed.2014.1824.Peer-Reviewed Original Research
2013
Age-based and Sex-based Disparities in Screening Colonoscopy Use Among Medicare Beneficiaries
Gancayco J, Soulos PR, Khiani V, Cramer LD, Ross JS, Genao I, Tinetti M, Gross CP. Age-based and Sex-based Disparities in Screening Colonoscopy Use Among Medicare Beneficiaries. Journal Of Clinical Gastroenterology 2013, 47: 630-636. PMID: 23619827, DOI: 10.1097/mcg.0b013e31828345c8.Peer-Reviewed Original ResearchConceptsColonoscopy useScreening colonoscopyColonoscopy ratesLife expectancyMedicare beneficiariesOlder personsColorectal cancer incidencePatient demographic characteristicsLow screening ratesSex-based disparitiesShort life expectancySex-based differencesLonger life expectancyPatients 68Older patientsPatients 75Screening ratesCancer incidenceLarge cohortMedicare claimsColonoscopyMedicare dataPatientsPoisson regressionLife table approach
2010
The relationship between systolic blood pressure on admission and mortality in older patients with heart failure
Vidán MT, Bueno H, Wang Y, Schreiner G, Ross JS, Chen J, Krumholz HM. The relationship between systolic blood pressure on admission and mortality in older patients with heart failure. European Journal Of Heart Failure 2010, 12: 148-155. PMID: 20083624, PMCID: PMC2807767, DOI: 10.1093/eurjhf/hfp195.Peer-Reviewed Original ResearchConceptsAdmission systolic blood pressureSystolic blood pressureHeart failureBlood pressureOlder patientsNational Heart Failure ProjectHigher systolic blood pressureInitial systolic blood pressureHeart Failure ProjectMultivariable logistic regressionPrevious hypertensionSBP 90Ventricular dysfunctionClinical factorsIndependent associationOdds ratioMedicare patientsMortality ratePatientsMmHgLogistic regressionMortalityAdmissionSubgroupsInverse relationship
2009
Determinants of Cardiac Catheterization Use in Older Medicare Patients With Acute Myocardial Infarction
Ko DT, Ross JS, Wang Y, Krumholz HM. Determinants of Cardiac Catheterization Use in Older Medicare Patients With Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2009, 3: 54-62. PMID: 20123672, PMCID: PMC3024143, DOI: 10.1161/circoutcomes.109.858456.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overCardiac CatheterizationChi-Square DistributionComorbidityFemaleHemorrhageHospitalizationHumansLikelihood FunctionsLogistic ModelsMaleMedicareMyocardial InfarctionPatient SelectionPractice Patterns, Physicians'Risk AssessmentRisk FactorsSeverity of Illness IndexSex FactorsTime FactorsTreatment OutcomeUnited StatesConceptsAcute myocardial infarctionCardiac catheterization useCardiac catheterizationInappropriate indicationsAMI patientsAppropriate indicationsMyocardial infarctionRisk scoreCardiology/American Heart Association class IBaseline cardiovascular riskOlder Medicare patientsHigh-risk patientsDemographic factorsMore comorbiditiesCardiovascular riskOlder patientsMale sexProcedure indicationFemale sexMedicare patientsAmerican CollegeAMI admissionsMedicare feePatientsCatheterization