2017
Length of Stay From the Hospital Perspective
Rosen JE, Salazar MC, Dharmarajan K, Kim AW, Detterbeck FC, Boffa DJ. Length of Stay From the Hospital Perspective. Annals Of Surgery 2017, 266: 383-388. PMID: 27564681, DOI: 10.1097/sla.0000000000001971.Peer-Reviewed Original ResearchConceptsMedian LOSLength of stayEarly discharge practicesDischarge practicesReadmission ratesEarly dischargeCancer-accredited hospitalsNational Cancer DatabaseLung cancer surgeryRisk of readmissionHospital discharge practicesHierarchical logistic regression modelsLack of effectLogistic regression modelsMore readmissionsUnplanned readmissionThoracotomy approachCancer surgeryReadmission riskLung cancerCancer DatabaseInclusion criteriaReadmissionHospital perspectivePatients
2015
National Trends in Hospital Readmission Rates among Medicare Fee-for-Service Survivors of Mitral Valve Surgery, 1999–2010
Dodson JA, Wang Y, Murugiah K, Dharmarajan K, Cooper Z, Hashim S, Nuti SV, Spatz E, Desai N, Krumholz HM. National Trends in Hospital Readmission Rates among Medicare Fee-for-Service Survivors of Mitral Valve Surgery, 1999–2010. PLOS ONE 2015, 10: e0132470. PMID: 26147225, PMCID: PMC4493110, DOI: 10.1371/journal.pone.0132470.Peer-Reviewed Original ResearchConceptsMitral valve surgeryLength of stayHospital LOSReadmission ratesHospital readmission ratesOlder patientsHospital readmissionMedicare feeMean hospital LOSSurvival rateProportional hazards regressionYears of ageValve surgeryHazards regressionService patientsWorse outcomesAge subgroupsPatientsOlder adultsSurvivorsNational trendsReadmissionModest declineWomenSubgroups
2013
National Trends in Heart Failure Hospital Stay Rates, 2001 to 2009
Chen J, Dharmarajan K, Wang Y, Krumholz HM. National Trends in Heart Failure Hospital Stay Rates, 2001 to 2009. Journal Of The American College Of Cardiology 2013, 61: 1078-1088. PMID: 23473413, PMCID: PMC3939721, DOI: 10.1016/j.jacc.2012.11.057.Peer-Reviewed Original ResearchConceptsHospital stay ratesLength of stayHF hospital stayHospital mortalityYears of ageHospital stayPatients 18Stay ratesNational Inpatient Sample dataU.S. hospital dischargesPatients 65 yearsPrimary discharge diagnosisSignificant declineOlder Medicare beneficiariesNational Inpatient SampleBlack menLarge national datasetHospital dischargeOlder patientsPatients 55Younger patientsDischarge diagnosisInpatient SampleMedicare beneficiariesAge 65
2012
Procedure Intensity and the Cost of Care
Chen SI, Dharmarajan K, Kim N, Strait KM, Li SX, Safavi KC, Lindenauer PK, Krumholz HM, Lagu T. Procedure Intensity and the Cost of Care. Circulation Cardiovascular Quality And Outcomes 2012, 5: 308-313. PMID: 22576844, PMCID: PMC3415230, DOI: 10.1161/circoutcomes.112.966069.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overCosts and Cost AnalysisCross-Sectional StudiesFemaleHeart FailureHospital Bed CapacityHospital CostsHospital MortalityHospitalizationHospitals, RuralHospitals, TeachingHospitals, UrbanHumansLength of StayLinear ModelsMaleMiddle AgedModels, EconomicOutcome and Process Assessment, Health CareResidence CharacteristicsRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsHF hospitalizationHeart failureInvasive proceduresHospital groupRisk-standardized mortality ratesProportion of patientsLength of stayCost of careWilcoxon rank sum testHigher procedure ratesRank sum testPatient demographicsPerspective databaseMedian lengthSurgical proceduresProcedure ratesHospitalizationOutcome differencesMortality rateHospitalPatientsPractice styleProcedure useSum testOverall use