2015
Differences in Colonoscopy Quality Among Facilities: Development of a Post-Colonoscopy Risk-Standardized Rate of Unplanned Hospital Visits
Ranasinghe I, Parzynski CS, Searfoss R, Montague J, Lin Z, Allen J, Vender R, Bhat K, Ross JS, Bernheim S, Krumholz HM, Drye EE. Differences in Colonoscopy Quality Among Facilities: Development of a Post-Colonoscopy Risk-Standardized Rate of Unplanned Hospital Visits. Gastroenterology 2015, 150: 103-113. PMID: 26404952, DOI: 10.1053/j.gastro.2015.09.009.Peer-Reviewed Original ResearchConceptsUnplanned hospital visitsDay of colonoscopyHospital visitsOutpatient facilitiesColonoscopy qualityHealthcare costsRisk-standardized ratesHospital outpatient departmentsUtilization Project dataAmbulatory surgery centersLogistic regression modelsHierarchical logistic regressionQuality improvement effortsPrior arrhythmiaAbdominal painElectrolyte imbalanceOutpatient departmentSurgery centersCommon causeHospital careOutcome measuresPsychiatric disordersColonoscopyUtilization ProjectPatient choice
2005
Quality of Care and Outcomes of Older Patients With Heart Failure Hospitalized in the United States and Canada
Ko DT, Tu JV, Masoudi FA, Wang Y, Havranek EP, Rathore SS, Newman AM, Donovan LR, Lee DS, Foody JM, Krumholz HM. Quality of Care and Outcomes of Older Patients With Heart Failure Hospitalized in the United States and Canada. JAMA Internal Medicine 2005, 165: 2486-2492. PMID: 16314545, DOI: 10.1001/archinte.165.21.2486.Peer-Reviewed Original ResearchConceptsHeart failureProcess of careRisk-standardized mortalityQuality of careUS patientsMortality rateEnzyme inhibitorsLower crude mortality rateLower short-term mortalityAngiotensin-converting enzyme inhibitorRisk-standardized mortality ratesVentricular ejection fraction assessmentOutcomes of patientsShort-term mortalityUS Medicare beneficiariesIndividuals 65 yearsCrude mortality rateEjection fraction assessmentLow-risk characteristicsHealth care expendituresOlder patientsCanadian patientsCommon causeMedicare beneficiariesPatients