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 ResearchConceptsJuly effectMajor morbidityPatient outcomesMajor adverse outcomesNationwide Readmissions DatabaseAdverse patient outcomesSystem-level factorsUS patientsAdverse outcomesSurgical conditionsInclusion criteriaPaucity of studiesReadmissionPatient encountersSystematic reviewMorbidityOutcomesNegative resultsMortalityYears of evidenceTotalYearsEvidencePatientsAdmission
2018
Racial/Ethnic Disparities in Longer-term Outcomes Among Emergency General Surgery Patients
Zogg CK, Jiang W, Ottesen TD, Shafi S, Schuster K, Becher R, Davis KA, Haider AH. Racial/Ethnic Disparities in Longer-term Outcomes Among Emergency General Surgery Patients. Annals Of Surgery 2018, 268: 968-979. PMID: 28742704, PMCID: PMC5783796, DOI: 10.1097/sla.0000000000002449.Peer-Reviewed Original ResearchConceptsEmergency general surgery patientsNon-Hispanic whitesGeneral surgery patientsLong-term outcomesNon-Hispanic blacksNon-Hispanic AsiansMinority patientsMajor morbidityUnplanned readmissionSurgery patientsOlder adultsRisk-adjusted Cox proportional hazards modelsEthnic disparitiesCox proportional hazards modelDiagnostic categoriesRacial/Ethnic DisparitiesUS population agesProportional hazards modelNHB patientsNonagenarian patientsNHW patientsBACKGROUND DATAHospital's percentageMortality differencesMedicare dataDisparate outcomes of global emergency surgery - A matched comparison of patients in developed and under—developed healthcare settings
Shah AA, Zogg CK, Rehman A, Latif A, Zafar H, Shakoor A, Wasif N, Chapital AB, Riviello R, Ashfaq A, Williams M, Cornwell EE, Haider AH. Disparate outcomes of global emergency surgery - A matched comparison of patients in developed and under—developed healthcare settings. The American Journal Of Surgery 2018, 215: 1029-1036. PMID: 29807633, DOI: 10.1016/j.amjsurg.2018.05.008.Peer-Reviewed Original ResearchConceptsAga Khan University HospitalPakistani patientsUS Nationwide Inpatient SampleHealthcare settingsUrban-teaching hospitalsRisk-adjusted oddsComparison of patientsNationwide Inpatient SampleRisk-adjusted differencesGlobal health policy developmentHealth system strengtheningDiverse healthcare settingsHealth policy developmentReported morbidityMajor morbidityEmergency surgeryRural patientsUniversity HospitalInpatient SampleGeneralized-linear modelSurgical careMortality differencesPatientsHealthcare systemDisparate outcomes
2017
The Need to Consider Longer-term Outcomes of Care
Zogg CK, Olufajo OA, Jiang W, Bystricky A, Scott JW, Shafi S, Havens JM, Salim A, Schoenfeld AJ, Haider AH. The Need to Consider Longer-term Outcomes of Care. Annals Of Surgery 2017, 266: 66-75. PMID: 28140382, DOI: 10.1097/sla.0000000000001932.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedBlack or African AmericanCaliforniaEmergency Service, HospitalHealthcare DisparitiesHispanic or LatinoHospital MortalityHumansIncomeInsurance CoverageInsurance, HealthLongitudinal StudiesMiddle AgedOutcome Assessment, Health CarePatient ReadmissionPostoperative ComplicationsProportional Hazards ModelsSurgical Procedures, OperativeSurvival AnalysisWhite PeopleYoung AdultConceptsLong-term outcomesNon-Hispanic blacksUnplanned readmissionMajor morbidityWhite patientsMinority patientsEthnic disparitiesEmergency general surgery patientsCalifornia State Inpatient DatabaseCox proportional hazards modelDiagnostic categoriesOlder adultsGeneral surgery patientsState Inpatient DatabasesProportional hazards modelRisk-adjusted differencesHispanic older adultsEGS patientsEGS volumeReadmission trendsSurgery patientsSurgical patientsHospital proportionInpatient DatabasePostacute phase
2016
Racial disparities in emergency general surgery
Zogg CK, Jiang W, Chaudhary MA, Scott JW, Shah AA, Lipsitz SR, Weissman JS, Cooper Z, Salim A, Nitzschke SL, Nguyen LL, Helmchen LA, Kimsey L, Olaiya ST, Learn PA, Haider AH. Racial disparities in emergency general surgery. Journal Of Trauma And Acute Care Surgery 2016, 80: 764-777. PMID: 26958790, DOI: 10.1097/ta.0000000000001004.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBlack or African AmericanEmergency MedicineFemaleGeneral SurgeryHealthcare DisparitiesHospitals, GeneralHospitals, MilitaryHumansIncidenceMaleMiddle AgedMilitary PersonnelNational Health Insurance, United StatesRetrospective StudiesSurgical Procedures, OperativeUnited StatesWhite PeopleWounds and InjuriesYoung AdultConceptsRisk-adjusted survival analysisMinority patientsSurvival analysisEmergency general surgery patientsRacial disparitiesGeneral surgery patientsSurgery-related morbidityLong-term outcomesRace-associated differencesEGS careTRICARE dataWorse mortalityMajor morbidityOperative interventionSurgery patientsWhite patientsEGS conditionsReadmission outcomesEffect modificationSurgical careDay outcomesPatientsCivilian hospitalsDiagnostic categoriesCareNever giving up: outcomes and presentation of emergency general surgery in geriatric octogenarian and nonagenarian patients
Shah AA, Zafar SN, Kodadek LM, Zogg CK, Chapital AB, Iqbal A, Greene WR, Cornwell EE, Havens J, Nitzschke S, Cooper Z, Salim A, Haider AH. Never giving up: outcomes and presentation of emergency general surgery in geriatric octogenarian and nonagenarian patients. The American Journal Of Surgery 2016, 212: 211-220.e3. PMID: 27086200, DOI: 10.1016/j.amjsurg.2016.01.021.Peer-Reviewed Original ResearchConceptsLength of stayNonagenarian patientsYoung adultsUtilization Project Nationwide Inpatient SampleLower total hospital costsEmergency general surgery patientsShorter LOSLower risk-adjusted oddsOlder adultsPrimary EGS diagnosesEmergency general surgeryGeneral surgery patientsRisk-adjusted oddsTotal hospital costsHigher mortality riskRisk-adjusted differencesGastrostomy careMajor morbidityOlder patientsSurgery patientsEGS diagnosesInpatient SampleHospital costsHigher oddsGeneral surgery