2021
Reassessing the July Effect: 30 Years of Evidence Show No Difference in Outcomes
Zogg CK, Metcalfe D, Sokas CM, Dalton MK, Hirji SA, Davis KA, Haider AH, Cooper Z, Lichtman JH. Reassessing the July Effect: 30 Years of Evidence Show No Difference in Outcomes. Annals Of Surgery 2021, 277: e204-e211. PMID: 33914485, PMCID: PMC8384940, DOI: 10.1097/sla.0000000000004805.Peer-Reviewed Original ResearchMeSH KeywordsCoronary Artery BypassHospitalizationHumansIschemic StrokeMyocardial InfarctionPatient ReadmissionRetrospective StudiesRisk FactorsConceptsJuly effectMajor morbidityPatient outcomesMajor adverse outcomesNationwide Readmissions DatabaseAdverse patient outcomesSystem-level factorsUS patientsAdverse outcomesSurgical conditionsInclusion criteriaPaucity of studiesReadmissionPatient encountersSystematic reviewMorbidityOutcomesNegative resultsMortalityYears of evidenceTotalYearsEvidencePatientsAdmission
2016
Race-based differences in duration of stay among universally insured coronary artery bypass graft patients in military versus civilian hospitals
Chowdhury R, Davis WA, Chaudhary MA, Jiang W, Zogg CK, Schoenfeld AJ, Jaklitsch MT, Kaneko T, Learn PA, Haider AH, Schneider EB. Race-based differences in duration of stay among universally insured coronary artery bypass graft patients in military versus civilian hospitals. Surgery 2016, 161: 1090-1099. PMID: 27932028, DOI: 10.1016/j.surg.2016.10.022.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBlack or African AmericanCohort StudiesConfidence IntervalsCoronary Artery BypassCoronary Artery DiseaseDatabases, FactualFemaleHealthcare DisparitiesHospital MortalityHospitals, MilitaryHospitals, PublicHumansLength of StayMaleMiddle AgedPrognosisRegression AnalysisRisk AssessmentSurvival AnalysisTreatment OutcomeUnited StatesUniversal Health InsuranceWhite PeopleConceptsCoronary artery bypass graftArtery bypass graftCoronary artery bypass graft patientsDuration of stayBypass graft patientsBypass graftRace-based differencesGraft patientsBlack patientsMilitary HospitalCivilian hospitalsHospital-level factorsEligible patientsWhite patientsMale patientsCivilian facilitiesWhite racePatientsStayTRICARE coverageNegative binomial regressionHospitalApparent mitigationGraftGreater duration
2015
Incremental Cost of Emergency Versus Elective Surgery
Haider AH, Obirieze A, Velopulos CG, Richard P, Latif A, Scott VK, Zogg CK, Haut ER, Efron DT, Cornwell EE, MacKenzie EJ, Gaskin DJ. Incremental Cost of Emergency Versus Elective Surgery. Annals Of Surgery 2015, 262: 260-266. PMID: 25521669, DOI: 10.1097/sla.0000000000001080.Peer-Reviewed Original ResearchConceptsAbdominal aortic aneurysm repairCoronary artery bypass graftAortic aneurysm repairArtery bypass graftEmergency surgeryElective surgeryAneurysm repairBypass graftColon resectionAdjusted oddsNationwide Inpatient Sample dataMean cost differenceElective surgery patientsMultivariable logistic regressionDischarge-level weightsAdjusted riskSurgery patientsEmergent proceduresCare coordinationElective admissionsWorse outcomesHospital costsCost differencesEmergent casesElective care