2016
Association between payments from manufacturers of pharmaceuticals to physicians and regional prescribing: cross sectional ecological study
Fleischman W, Agrawal S, King M, Venkatesh AK, Krumholz HM, McKee D, Brown D, Ross JS. Association between payments from manufacturers of pharmaceuticals to physicians and regional prescribing: cross sectional ecological study. The BMJ 2016, 354: i4189. PMID: 27540015, PMCID: PMC4989280, DOI: 10.1136/bmj.i4189.Peer-Reviewed Original ResearchConceptsHospital referral regionsOral anticoagulantsReferral regionsDiabetes drugsDrug classesGreater prescribingMedicare Part D beneficiariesAdditional daysPart D beneficiariesMedicare Part D prescriptionsCross-sectional analysisSectional ecological studyMedicare Part DPart D prescriptionsManufacturers of pharmaceuticalsPrescribingAnticoagulantsPhysiciansDrugsPart DEducational materialsSectional analysisStudy limitationsConsulting feesAssociationPopulation Of US Practicing Psychiatrists Declined, 2003–13, Which May Help Explain Poor Access To Mental Health Care
Bishop TF, Seirup JK, Pincus HA, Ross JS. Population Of US Practicing Psychiatrists Declined, 2003–13, Which May Help Explain Poor Access To Mental Health Care. Health Affairs 2016, 35: 1271-1277. PMID: 27385244, DOI: 10.1377/hlthaff.2015.1643.Peer-Reviewed Original ResearchConceptsPrimary care physiciansMental health careCare physiciansMental illnessSupply of psychiatristsHealth carePoor accessSevere mental illnessHospital referral regionsMental health servicesTeam-based carePrimary careMedian numberReferral regionsNonphysician providersUS populationHealth servicesMental healthStudy periodCarePsychiatristsPatientsNeurologistsIllnessPhysicians
2015
Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign
Makarov DV, Soulos PR, Gold HT, Yu JB, Sen S, Ross JS, Gross CP. Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign. JAMA Oncology 2015, 1: 185-194. PMID: 26181021, PMCID: PMC4707944, DOI: 10.1001/jamaoncol.2015.37.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBreast NeoplasmsCatchment Area, HealthChi-Square DistributionDiagnostic ImagingFemaleGuideline AdherenceHumansLogistic ModelsMaleMedicareMultivariate AnalysisPractice Guidelines as TopicPractice Patterns, Physicians'Predictive Value of TestsProstatic NeoplasmsResidence CharacteristicsRetrospective StudiesRisk FactorsSEER ProgramUnited StatesUnnecessary ProceduresConceptsLow-risk prostate cancerProstate cancerBreast cancerProstate cancer imagingFourth quartileLow-risk breast cancerBreast cancer imagingLow-risk prostateEnd Results-MedicareRetrospective cohort studyMultivariable logistic regressionChoosing Wisely campaignPatient-level analysisAppropriateness of careHospital referral regionsCancer imagingQuality of careInappropriate imagingCohort studyWisely campaignHealth care spendingLowest quartileOdds ratioPatient levelHRR level
2013
Regional Density of Cardiologists and Rates of Mortality for Acute Myocardial Infarction and Heart Failure
Kulkarni VT, Ross JS, Wang Y, Nallamothu BK, Spertus JA, Normand SL, Masoudi FA, Krumholz HM. Regional Density of Cardiologists and Rates of Mortality for Acute Myocardial Infarction and Heart Failure. Circulation Cardiovascular Quality And Outcomes 2013, 6: 352-359. PMID: 23680965, PMCID: PMC5323047, DOI: 10.1161/circoutcomes.113.000214.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCardiologyCohort StudiesFemaleHealth Services AccessibilityHealth Services Needs and DemandHealthcare DisparitiesHeart FailureHospitalizationHumansLinear ModelsLogistic ModelsMaleMedicareMyocardial InfarctionOdds RatioPhysiciansPneumoniaPrognosisResidence CharacteristicsRisk AssessmentRisk FactorsTime FactorsUnited StatesWorkforceConceptsAcute myocardial infarctionHeart failureHospital referral regionsMortality riskLowest quintileMyocardial infarctionReferral regionsMedicare administrative claims dataCharacteristics of patientsRisk of deathAdministrative claims dataHierarchical logistic regression modelsLogistic regression modelsRate of mortalityRegional densityHighest quintileNumber of cardiologistsWorse outcomesClaims dataPatientsPneumoniaCardiologistsHospitalizationAdmissionQuintile
2011
US Cardiologist Workforce From 1995 To 2007: Modest Growth, Lasting Geographic Maldistribution Especially In Rural Areas
Aneja S, Ross JS, Wang Y, Matsumoto M, Rodgers GP, Bernheim SM, Rathore SS, Krumholz HM. US Cardiologist Workforce From 1995 To 2007: Modest Growth, Lasting Geographic Maldistribution Especially In Rural Areas. Health Affairs 2011, 30: 2301-2309. PMID: 22147857, PMCID: PMC3332098, DOI: 10.1377/hlthaff.2011.0255.Peer-Reviewed Original ResearchConceptsPrimary care physiciansCare physiciansGeographic maldistributionChronic cardiovascular diseaseHospital referral regionsUse of telemedicineCardiology workforceNumber of cardiologistsTotal physician workforceCardiovascular diseaseCardiovascular careReferral regionsElderly populationUS populationTotal physiciansCardiologistsPhysiciansAge sixtyPhysician workforceDisadvantaged areasPercentRural areasPopulationDiseaseVariety of strategies
2010
Differences in Patient Survival After Acute Myocardial Infarction by Hospital Capability of Performing Percutaneous Coronary Intervention: Implications for Regionalization
Chen J, Krumholz HM, Wang Y, Curtis JP, Rathore SS, Ross JS, Normand SL, Schreiner GC, Mulvey G, Nallamothu BK. Differences in Patient Survival After Acute Myocardial Infarction by Hospital Capability of Performing Percutaneous Coronary Intervention: Implications for Regionalization. JAMA Internal Medicine 2010, 170: 433-439. PMID: 20212179, PMCID: PMC2900156, DOI: 10.1001/archinternmed.2009.538.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesNon-PCI hospitalsPercutaneous coronary interventionAcute myocardial infarctionHospital referral regionsPCI hospitalsHealth care regionCoronary interventionAMI patientsMyocardial infarctionCare regionLower risk-standardized mortality ratesSame hospital referral regionService beneficiaries 65 yearsBeneficiaries 65 yearsMagnitude of benefitPatient survivalAMI careReferral regionsOutcome differencesMedicare feeMortality rateHospitalHospital capabilitiesInfarction