2011
Variations in Crowding and Ambulance Diversion in Nine Emergency Departments
Handel DA, Pines J, Aronsky D, Genes N, Ginde AA, Hackman J, Hilton JA, Hwang U, Kamali M, Powell E, Sattarian M, Fu R. Variations in Crowding and Ambulance Diversion in Nine Emergency Departments. Academic Emergency Medicine 2011, 18: 941-946. PMID: 21906203, DOI: 10.1111/j.1553-2712.2011.01149.x.Peer-Reviewed Original ResearchConceptsEmergency departmentED bedsAmbulance diversionED visitsOverall mean LOSAnnual ED censusPrimary outcome variablePrimary study aimPrimary predictor variableDaily ED visitsPercentage of daysMean LOSAcute treatmentMulticenter studyED censusSurrogate markerED crowdingStudy aimMean differenceOutcome variablesDichotomous variablesTotal numberVisitsDaysDiversion
2010
Emergency Department Patient Volume and Troponin Laboratory Turnaround Time
Hwang U, Baumlin K, Berman J, Chawla NK, Handel DA, Heard K, Livote E, Pines JM, Valley M, Yadav K. Emergency Department Patient Volume and Troponin Laboratory Turnaround Time. Academic Emergency Medicine 2010, 17: 501-507. PMID: 20536804, PMCID: PMC10570502, DOI: 10.1111/j.1553-2712.2010.00738.x.Peer-Reviewed Original ResearchConceptsED patient volumeLaboratory turnaround timePatient volumeTroponin testTertiary care EDRetrospective cohort reviewEmergency department visitsLength of stayEmergency department (ED) patient volumePrimary predictor variableNumber of boardersAdjusted covariatesAdult patientsCohort reviewDepartment visitsHospital-based laboratoriesPatient characteristicsAppropriate therapyIll patientsVolume measuresTurnaround timeSubstantial burdenTimely treatmentTriage severityED beds