2018
Emergency Department Volume and Outcomes for Patients After Chest Pain Assessment
Ko DT, Dattani ND, Austin PC, Schull MJ, Ross JS, Wijeysundera HC, Tu JV, Eberg M, Koh M, Krumholz HM. Emergency Department Volume and Outcomes for Patients After Chest Pain Assessment. Circulation Cardiovascular Quality And Outcomes 2018, 11: e004683. PMID: 30354285, DOI: 10.1161/circoutcomes.118.004683.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeChest painHigh-volume EDsCoronary syndromeED volumeVolume thresholdCardiac medication useChest pain assessmentLower adverse outcomesEmergency department visitsAdjusted odds ratioPopulation-based dataProcess of carePotential confounding variablesHigher ED volumesHierarchical logistic regression modelsLogistic regression modelsEmergency department volumeCause deathCardiac testingComposite outcomeDepartment visitsDiabetes mellitusMedication usePrimary outcome
2015
Variation in US Hospital Emergency Department Admission Rates by Clinical Condition
Venkatesh AK, Dai Y, Ross JS, Schuur JD, Capp R, Krumholz HM. Variation in US Hospital Emergency Department Admission Rates by Clinical Condition. Medical Care 2015, 53: 237-244. PMID: 25397965, PMCID: PMC4858175, DOI: 10.1097/mlr.0000000000000261.Peer-Reviewed Original ResearchConceptsEmergency Department Admission RatesED admission ratesAdmission ratesClinical conditionsMood disordersChronic obstructive pulmonary diseaseNational Emergency Department SampleAdult ED visitsNonspecific chest painObstructive pulmonary diseaseSoft tissue infectionsUrinary tract infectionEmergency Department SampleClinical Classification SoftwareCross-sectional analysisChest painED visitsTract infectionsPulmonary diseaseSpearman correlation coefficientTissue infectionsHospitalization ratesUS hospitalsCondition-specific variationsHospital correlation