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 numberVisitsDaysDiversionMeasures of Crowding in the Emergency Department: A Systematic Review
Hwang U, McCarthy ML, Aronsky D, Asplin B, Crane PW, Craven CK, Epstein SK, Fee C, Handel DA, Pines JM, Rathlev NK, Schafermeyer RW, Zwemer FL, Bernstein SL. Measures of Crowding in the Emergency Department: A Systematic Review. Academic Emergency Medicine 2011, 18: 527-538. PMID: 21569171, DOI: 10.1111/j.1553-2712.2011.01054.x.Peer-Reviewed Original ResearchConceptsEmergency departmentInclusion criteriaSystematic reviewCriterion standard measuresOriginal research studiesClinician opinionPatient countsPatient careStandardized definitionsStudy designCrowding measureEvidence of validityField of measuresCountTime intervalNumerical countsReviewMultiple sitesDepartment