1997
Readmission After Hospitalization for Congestive Heart Failure Among Medicare Beneficiaries
Krumholz HM, Parent EM, Tu N, Vaccarino V, Wang Y, Radford MJ, Hennen J. Readmission After Hospitalization for Congestive Heart Failure Among Medicare Beneficiaries. JAMA Internal Medicine 1997, 157: 99-104. PMID: 8996046, DOI: 10.1001/archinte.1997.00440220103013.Peer-Reviewed Original ResearchConceptsCongestive heart failureHeart failureMedicare beneficiariesIndex admissionElderly patientsReadmission ratesCommon discharge diagnosesDeyo comorbidity scoreOutcomes of readmissionSingle-center studySpectrum of diagnosesLength of stayDeterminants of readmissionSignificant predictorsMedicare administrative filesComorbidity scoreIndex hospitalizationStudy patientsFiscal year 1991Prior admissionCommon diagnosisMultivariable analysisDischarge diagnosisMale sexAdverse outcomes
1995
Readmission rates, 30 days and 365 days postdischarge, among the 20 most frequent DRG groups, Medicare inpatients age 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993.
Hennen J, Krumholz HM, Radford MJ, Meehan TP. Readmission rates, 30 days and 365 days postdischarge, among the 20 most frequent DRG groups, Medicare inpatients age 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993. Connecticut Medicine 1995, 59: 263-70. PMID: 7600797.Peer-Reviewed Original ResearchConceptsCrude readmission ratesReadmission ratesDRG categoriesConnecticut acute care hospitalsAge 65Three-year study periodStudy periodElderly Medicare beneficiariesAcute care hospitalsInpatients age 65Days postdischargeFiscal year 1991Inpatient admissionsInpatients ageConnecticut hospitalsAge 75Medicare beneficiariesAge groupsDRG groupsSignificant decreaseHospitalCorresponding ratesAgeFY 1993YearsMortality experience, 30-days and 365-days after admission, for the 20 most frequent DRG groups among Medicare inpatients aged 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993.
Hennen J, Krumholz HM, Radford MJ. Mortality experience, 30-days and 365-days after admission, for the 20 most frequent DRG groups among Medicare inpatients aged 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993. Connecticut Medicine 1995, 59: 137-42. PMID: 7729135.Peer-Reviewed Original ResearchConceptsCrude mortality rateMortality rateDRG categoriesFiscal year 1991Medicare inpatientConnecticut acute care hospitalsThree-year study periodStudy periodElderly Medicare beneficiariesAcute care hospitalsInpatient admissionsConnecticut hospitalsAge 75Medicare beneficiariesFiscal year 1993Age 65Age groupsMortality experienceDRG groupsYears 1991AdmissionInpatientsHospitalMortality differentialsThree-year periodTwenty most frequent DRG groups among Medicare inpatients age 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993.
Hennen J, Krumholz HM, Radford MJ. Twenty most frequent DRG groups among Medicare inpatients age 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993. Connecticut Medicine 1995, 59: 11-5. PMID: 7859443.Peer-Reviewed Original ResearchConceptsDRG categoriesConnecticut acute care hospitalsElderly Medicare beneficiariesElderly Medicare patientsAge group 65Acute care hospitalsInpatients age 65Care hospitalFiscal year 1991Inpatient admissionsInpatients ageConnecticut hospitalsGroup 65Medicare patientsAge subgroupsMedicare beneficiariesThree-year study periodAge 65Study periodDRG groupsNumber of dischargesMedicare dischargesHospitalYear periodYears