2021
Second-Line Therapy for Type 2 Diabetes Management: The Treatment/Benefit Paradox of Cardiovascular and Kidney Comorbidities.
McCoy RG, Van Houten HK, Karaca-Mandic P, Ross JS, Montori VM, Shah ND. Second-Line Therapy for Type 2 Diabetes Management: The Treatment/Benefit Paradox of Cardiovascular and Kidney Comorbidities. Diabetes Care 2021, 44: 2302-2311. PMID: 34348996, PMCID: PMC8929191, DOI: 10.2337/dc20-2977.Peer-Reviewed Original ResearchSodium-glucose cotransporter 2 inhibitorsGLP-1RAsHeart failureRelative risk ratiosDPP-4iMyocardial infarctionOlder patientsCerebrovascular diseaseCardiovascular diseaseGlucagon-like peptide-1 receptor agonistsPeptide-1 receptor agonistsDipeptidyl peptidase-4 inhibitorsType 2 diabetes managementDPP-4i therapySecond-line therapyCotransporter 2 inhibitorsPrior myocardial infarctionPeptidase-4 inhibitorsOptumLabs Data WarehouseType 2 diabetesMedicare Advantage beneficiariesMedication classesSGLT2i therapyClinical factorsRisk ratio
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 profilingAdoption of immunotherapy into real-world practice: Insights from the use of checkpoint inhibitors.
O'Connor J, Seidl-Rathkopf K, You P, Nussbaum N, Torres A, Fessele K, Darius K, Adelson K, Yin E, Presley C, Chiang A, Ross J, Abernethy A, Gross C. Adoption of immunotherapy into real-world practice: Insights from the use of checkpoint inhibitors. Journal Of Clinical Oncology 2017, 35: e14583-e14583. DOI: 10.1200/jco.2017.35.15_suppl.e14583.Peer-Reviewed Original ResearchElectronic health record databaseReal-world practiceCheckpoint inhibitorsAdvanced non-small cell lung cancerFDA approvalNon-small cell lung cancerDeath-1 checkpoint inhibitorsMetastatic renal cell carcinomaAdoption of immunotherapyGeneralizability of trialsCell lung cancerRenal cell carcinomaDrug Administration approvalHealth record databaseChi-square testStudy drugOlder patientsSystemic therapyAdvanced melanomaMedian ageTherapy linesCell carcinomaLung cancerAdministration approvalClinical trials
2016
Trends in Drug Utilization, Glycemic Control, and Rates of Severe Hypoglycemia, 2006–2013
Lipska KJ, Yao X, Herrin J, McCoy RG, Ross JS, Steinman MA, Inzucchi SE, Gill TM, Krumholz HM, Shah ND. Trends in Drug Utilization, Glycemic Control, and Rates of Severe Hypoglycemia, 2006–2013. Diabetes Care 2016, 40: 468-475. PMID: 27659408, PMCID: PMC5360291, DOI: 10.2337/dc16-0985.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedBlood GlucoseComorbidityDiabetes Mellitus, Type 2Dipeptidyl-Peptidase IV InhibitorsDrug UtilizationFemaleGlycated HemoglobinHumansHypoglycemiaHypoglycemic AgentsInsulinLogistic ModelsMaleMetforminMiddle AgedRetrospective StudiesSulfonylurea CompoundsThiazolidinedionesYoung AdultConceptsGlycemic controlSevere hypoglycemiaOlder patientsDipeptidyl peptidase-4 inhibitorsGlucose-lowering drugsGlucose-lowering medicationsProportion of patientsOverall glycemic controlPeptidase-4 inhibitorsMedicare Advantage patientsSex-standardized ratesType 2 diabetesOverall rateClass of agentsMore comorbiditiesChronic comorbiditiesYounger patientsAdvantage patientsDrug utilizationClaims dataPatientsHypoglycemiaHemoglobin AT2DMComorbidities
2015
Trajectories of risk after hospitalization for heart failure, acute myocardial infarction, or pneumonia: retrospective cohort study
Dharmarajan K, Hsieh AF, Kulkarni VT, Lin Z, Ross JS, Horwitz LI, Kim N, Suter LG, Lin H, Normand SL, Krumholz HM. Trajectories of risk after hospitalization for heart failure, acute myocardial infarction, or pneumonia: retrospective cohort study. The BMJ 2015, 350: h411. PMID: 25656852, PMCID: PMC4353309, DOI: 10.1136/bmj.h411.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionRetrospective cohort studyHeart failureRisk of deathMyocardial infarctionFirst readmissionAbsolute riskOlder patientsCohort studyRelative riskMedicare feeService beneficiariesRisk of readmissionGeneral elderly populationGeneral older populationRisk trajectoriesHigh-risk periodHospital dischargeHospital admissionDischarge diagnosisAdverse outcomesReadmissionHospitalizationTrajectories of riskElderly population
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
2012
Discharge disposition disagreements and re-admission risk among older adults: a retrospective cohort study
Dinescu A, Korc-Grodzicki B, Farber J, Ross JS. Discharge disposition disagreements and re-admission risk among older adults: a retrospective cohort study. BMJ Open 2012, 2: e001646. PMID: 23117568, PMCID: PMC3547317, DOI: 10.1136/bmjopen-2012-001646.Peer-Reviewed Original ResearchRetrospective cohort studyHospital dischargeOlder patientsDischarge dispositionClinical teamCohort studyDaily livingInpatient servicesRe-admission riskRe-admission ratesLarge academic medical centerAcademic medical centerAdjusted analysisMean ageMedical CenterPatientsCognitive impairmentHospitalisationMain independent variableOlder adultsTeam recommendationsDaysDischargeHospitalDisposition
2011
Assessing the Impact of Screening Colonoscopy on Mortality in the Medicare Population
Gross CP, Soulos PR, Ross JS, Cramer LD, Guerrero C, Tinetti ME, Braithwaite RS. Assessing the Impact of Screening Colonoscopy on Mortality in the Medicare Population. Journal Of General Internal Medicine 2011, 26: 1441-1449. PMID: 21842323, PMCID: PMC3235614, DOI: 10.1007/s11606-011-1816-4.Peer-Reviewed Original ResearchConceptsColorectal cancerStrata of sexYears of ageShort life expectancyDesignRetrospective studyResultsIncreasing ageWomen 75Greater comorbidityOlder patientsScreening colonoscopyComorbiditiesRoutine screeningMedicare populationMortality ratePatientsAge groupsEffectiveness of SCMortalityLife expectancyWomenAgeMenColonoscopySexYears
2010
Scheduled and unscheduled hospital readmissions among patients with diabetes.
Kim H, Ross JS, Melkus GD, Zhao Z, Boockvar K. Scheduled and unscheduled hospital readmissions among patients with diabetes. The American Journal Of Managed Care 2010, 16: 760-7. PMID: 20964472, PMCID: PMC3024140.Peer-Reviewed Original ResearchConceptsUnscheduled readmissionsIndex hospitalizationHigher comorbidity burdenState Inpatient DatasetPatients 80 yearsPatients 50 yearsHistory of hospitalizationAcute care hospitalsPrevention Quality IndicatorsUnscheduled hospital readmissionComorbidity burdenOlder patientsCare hospitalClinical factorsHospital readmissionIll patientsInpatient datasetTransition careReadmissionHospitalizationPatientsDiabetesPublic insuranceHealthcare ResearchPotential disparitiesTrends in Length of Stay and Short-term Outcomes Among Medicare Patients Hospitalized for Heart Failure, 1993-2006
Bueno H, Ross JS, Wang Y, Chen J, Vidán MT, Normand SL, Curtis JP, Drye EE, Lichtman JH, Keenan PS, Kosiborod M, Krumholz HM. Trends in Length of Stay and Short-term Outcomes Among Medicare Patients Hospitalized for Heart Failure, 1993-2006. JAMA 2010, 303: 2141-2147. PMID: 20516414, PMCID: PMC3020983, DOI: 10.1001/jama.2010.748.Peer-Reviewed Original ResearchConceptsLength of stayShort-term outcomesHeart failureReadmission ratesHospital mortalityDischarge dispositionRisk ratioThirty-day readmission ratesMortality risk ratioSkilled nursing facilitiesHome care servicesHospital stayOlder patientsUnadjusted analysesMedicare patientsObservational studyMedicare feeNursing facilitiesPatientsStayCare servicesMortalityMarked reductionMean lengthOutcomesThe 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