2012
Predictors of patient length of stay in 9 emergency departments
Wiler JL, Handel DA, Ginde AA, Aronsky D, Genes NG, Hackman JL, Hilton JA, Hwang U, Kamali M, Pines JM, Powell E, Sattarian M, Fu R. Predictors of patient length of stay in 9 emergency departments. The American Journal Of Emergency Medicine 2012, 30: 1860-1864. PMID: 22633732, DOI: 10.1016/j.ajem.2012.03.028.Peer-Reviewed Original ResearchConceptsOverall LOSAmbulance diversionPredictors of LOSAnnual ED censusEmergency department lengthLength of stayPercentage of increaseLog-transformed LOSDaily percentageCalendar year 2009Multicenter studyRetrospective studyAdverse outcomesEmergency departmentED censusPatient satisfactionPatient presentationPatient categoriesPatient LOSED crowdingPatient lengthPatientsDaily admissionsStaySignificant predictors
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