2020
Benchmarking the value of care: Variability in hospital costs for common operations and its association with procedure volume.
Zogg CK, Bernard AC, Hirji SA, Minei JP, Staudenmayer KL, Davis KA. Benchmarking the value of care: Variability in hospital costs for common operations and its association with procedure volume. Journal Of Trauma And Acute Care Surgery 2020, 88: 619-628. PMID: 32039972, PMCID: PMC7802807, DOI: 10.1097/ta.0000000000002611.Peer-Reviewed Original ResearchConceptsLaparoscopic appendectomyLaparoscopic cholecystectomyHospital costsMeans of USMedian costProcedure volumeEmergency general surgeryTotal hospital costsMedian hospital costsNational Inpatient SampleAdults 18 yearsNational cost savingsAnnual procedure volumeValue of careHospital complicationsIndex hospitalHealth care valuePatient characteristicsAdverse outcomesInpatient SampleInclusion criteriaGeneral surgeryHospitalLevel IIICommon operation
2019
Debunking the July Effect in Cardiac Surgery: A National Analysis of More Than 470,000 Procedures
Shah RM, Hirji SA, Kiehm S, Goel S, Yazdchi F, Bellavia A, Zogg CK, Pelletier MP, Shekar P, Kaneko T. Debunking the July Effect in Cardiac Surgery: A National Analysis of More Than 470,000 Procedures. The Annals Of Thoracic Surgery 2019, 108: 929-934. PMID: 31353035, DOI: 10.1016/j.athoracsur.2019.06.015.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAdultAgedCardiac Surgical ProceduresClinical CompetenceCohort StudiesDatabases, FactualEducation, Medical, GraduateFemaleHospital MortalityHospitals, TeachingHumansInpatientsInternship and ResidencyMaleMedical Staff, HospitalMiddle AgedPostoperative ComplicationsQuality of Health CareRisk AdjustmentSeasonsUnited StatesConceptsAortic valve replacementCardiac surgeryJuly effectHospital mortalityPatient outcomesTeaching hospitalMajor cardiac surgery proceduresSurgical aortic valve replacementCoronary artery bypassCardiac surgery proceduresNational Inpatient SampleRisk-adjusted mortalityMitral valve repairCardiac surgery outcomesHospital complicationsArtery bypassMV surgeryNoncardiac surgeryValve replacementAdjusted mortalityValve repairSurgery outcomesInpatient SampleWorse outcomesHospital support systems
2018
Cured into Destitution
Scott JW, Raykar NP, Rose JA, Tsai TC, Zogg CK, Haider AH, Salim A, Meara JG, Shrime MG. Cured into Destitution. Annals Of Surgery 2018, 267: 1093-1099. PMID: 28394867, DOI: 10.1097/sla.0000000000002254.Peer-Reviewed Original ResearchConceptsUninsured patientsGreater riskMedian inpatient chargesTrauma-related admissionsNationwide Inpatient SamplePrimary outcome measureMost demographic subgroupsRisk of CHECatastrophic health expenditureFinancial risk protectionRetrospective reviewTrauma populationPrimary diagnosisInpatient chargesInpatient SampleOutcome measuresPatientsSevere injuriesStudy periodUS Census dataHealth careTraumaAdmissionDemographic subgroupsRiskDisparate 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
Differences in rural and urban outcomes: a national inspection of emergency general surgery patients
Chaudhary MA, Shah AA, Zogg CK, Changoor N, Chao G, Nitzschke S, Havens JM, Haider AH. Differences in rural and urban outcomes: a national inspection of emergency general surgery patients. Journal Of Surgical Research 2017, 218: 277-284. PMID: 28985861, DOI: 10.1016/j.jss.2017.06.034.Peer-Reviewed Original ResearchConceptsLength of stayRural patientsEGS conditionsUrban hospitalOverall oddsEmergency general surgery conditionsEmergency general surgery patientsShorter LOSGeneral surgery patientsPatient-level factorsLimited clinical importanceNational Inpatient SampleSurgery of TraumaRegionalization of careCost of careMultivariable regression modelsUnited States populationHospital mortalityEGS patientsSurgery patientsUrban patientsAdult patientsMajor complicationsPrimary diagnosisInpatient Sample
2016
Impact of ACA Insurance Coverage Expansion on Perforated Appendix Rates Among Young Adults
Scott JW, Rose JA, Tsai TC, Zogg CK, Shrime MG, Sommers BD, Salim A, Haider AH. Impact of ACA Insurance Coverage Expansion on Perforated Appendix Rates Among Young Adults. Medical Care 2016, 54: 818-826. PMID: 27367865, PMCID: PMC5468100, DOI: 10.1097/mlr.0000000000000586.Peer-Reviewed Original ResearchConceptsDependent coverage provisionAppendix ratePerforation rateYoung adultsHealth insurance plansComparator groupAcute conditionsUninsured rateYear oldsParents' health insurance plansSignificant reductionNational Inpatient SampleUrban teaching hospitalAge 26 yearsHealth care accessInsurance coverage expansionDifferences linear regressionCoverage expansionAcute appendicitisAffordable Care ActInpatient SampleTeaching hospitalCare accessRisk subpopulationsPostpolicy changePredictors of emergency ventral hernia repair: Targets to improve patient access and guide patient selection for elective repair
Wolf LL, Scott JW, Zogg CK, Havens JM, Schneider EB, Smink DS, Salim A, Haider AH. Predictors of emergency ventral hernia repair: Targets to improve patient access and guide patient selection for elective repair. Surgery 2016, 160: 1379-1391. PMID: 27542434, DOI: 10.1016/j.surg.2016.06.027.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overConfidence IntervalsDatabases, FactualElective Surgical ProceduresEmergenciesFemaleFollow-Up StudiesHealth Services AccessibilityHernia, VentralHerniorrhaphyHospital MortalityHumansInsurance CoverageLogistic ModelsMaleMiddle AgedOdds RatioPatient SelectionPredictive Value of TestsQuality ImprovementRetrospective StudiesRisk AssessmentSeverity of Illness IndexSex FactorsTime FactorsTreatment OutcomeConceptsVentral hernia repairEmergency ventral hernia repairHospital-level factorsHernia repairIndependent predictorsPatient selectionElective operationsWorse outcomesEmergency repairLonger hospital stayNationwide Inpatient SampleMultivariable logistic regressionUnited States populationRace/ethnicityHospital deathHospital staySecondary outcomesElective repairPrimary outcomePayer statusInpatient SamplePatient outcomesVentral herniasElective careGreater oddsDifferential access to care: The role of age, insurance, and income on race/ethnicity-related disparities in adult perforated appendix admission rates
Zogg CK, Scott JW, Jiang W, Wolf LL, Haider AH. Differential access to care: The role of age, insurance, and income on race/ethnicity-related disparities in adult perforated appendix admission rates. Surgery 2016, 160: 1145-1154. PMID: 27486003, DOI: 10.1016/j.surg.2016.06.002.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAppendicitisConfidence IntervalsEthnicityFemaleHealth Care SurveysHealth Services AccessibilityHealthcare DisparitiesHumansIncomeInsurance CoverageMaleMiddle AgedOdds RatioOutcome Assessment, Health CarePatient AdmissionRacial GroupsRisk AssessmentRoleUnited StatesYoung AdultConceptsAcute appendicitisAdmission ratesLack of differenceNationwide Inpatient SampleRisk-adjusted differencesUnited States populationRace/ethnicityPediatric studiesInpatient SampleWorse outcomesMinority patientsBetter outcomesUniversal insurancePatientsEthnic disparitiesLogistic regressionRole of ageEthnic inequitiesHealthcare ResearchAge incrementsOlder adultsAdultsDisparate outcomesEthnic differencesAppendicitisNever 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 surgeryEvaluation of the Perceived Association Between Resident Turnover and the Outcomes of Patients Who Undergo Emergency General Surgery: Questioning the July Phenomenon
Shah AA, Zogg CK, Nitzschke SL, Changoor NR, Havens JM, Salim A, Cooper Z, Haider AH. Evaluation of the Perceived Association Between Resident Turnover and the Outcomes of Patients Who Undergo Emergency General Surgery: Questioning the July Phenomenon. JAMA Surgery 2016, 151: 1-8. PMID: 26536282, DOI: 10.1001/jamasurg.2015.3940.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overEducation, Medical, GraduateEmergenciesFemaleGeneral SurgeryHospital MortalityHospitals, TeachingHumansLength of StayMaleMiddle AgedOutcome Assessment, Health CarePersonnel TurnoverPropensity ScoreRetrospective StudiesSeasonsUnited StatesWorkforceYoung AdultConceptsEmergency general surgeryTotal hospital costsLength of stayJuly phenomenonEGS patientsEGS conditionsHospital costsTeaching hospitalGeneral surgeryLower risk-adjusted oddsOutcomes of patientsRisk-adjusted oddsNationwide Inpatient SampleSurgery of TraumaHospital mortalityAdult patientsEarly patientsPoor outcomeInpatient SamplePrincipal diagnosisRetrospective analysisMAIN OUTCOMEMultivariable regressionPatientsPropensity score
2015
Beyond incidence: Costs of complications in trauma and what it means for those who pay
Haider AH, Gupta S, Zogg CK, Kisat MT, Schupper A, Efron DT, Haut ER, Obirieze AC, Schneider EB, Pronvost PJ, MacKenzie EJ, Cornwell EE. Beyond incidence: Costs of complications in trauma and what it means for those who pay. Surgery 2015, 158: 96-103. PMID: 25900034, DOI: 10.1016/j.surg.2015.02.015.Peer-Reviewed Original ResearchConceptsTrauma patientsAttributable costsPrimary ICD-9-CM diagnosis codesAcute respiratory distress syndromeICD-9-CM diagnosis codesTrauma-related complicationsGeneral surgery patientsRespiratory distress syndromeUrinary tract infectionInfluence of complicationsNational Inpatient SampleCost of complicationsIsolated complicationHospital stayAdult patientsSurgery patientsTract infectionsDistress syndromePatient factorsTrauma admissionsDiagnosis codesInpatient SampleMyocardial infarctionComparable cohortsHospital characteristicsNational estimates of predictors of outcomes for emergency general surgery
Shah AA, Haider AH, Zogg CK, Schwartz DA, Haut ER, Zafar SN, Schneider EB, Velopulos CG, Shafi S, Zafar H, Efron DT. National estimates of predictors of outcomes for emergency general surgery. Journal Of Trauma And Acute Care Surgery 2015, 78: 482-491. PMID: 25710417, DOI: 10.1097/ta.0000000000000555.Peer-Reviewed Original ResearchConceptsEmergency general surgeryEGS patientsMajor complicationsGeneral surgeryMultivariate logistic regression analysisOverall complication ratePredictors of mortalityClinical Modification codesOverall mortality rateNationwide Inpatient SampleSeparate multivariate logistic regression analysesSurgery of TraumaDRG International ClassificationLogistic regression analysisHighest income quartileHospital complicationsHospital mortalityComplication ratePatient demographicsSurgical complicationsIndependent predictorsPrimary outcomeEGS conditionsMean ageInpatient SampleRacial/ethnic disparities in emergency general surgery: explained by hospital-level characteristics?
Hall EC, Hashmi ZG, Zafar SN, Zogg CK, Cornwell EE, Haider AH. Racial/ethnic disparities in emergency general surgery: explained by hospital-level characteristics? The American Journal Of Surgery 2015, 209: 604-609. PMID: 25683233, DOI: 10.1016/j.amjsurg.2014.11.005.Peer-Reviewed Original ResearchConceptsEmergency general surgeryHospital-level factorsEGS patientsHigher oddsGeneral surgeryEthnic disparitiesHospital-level characteristicsOdds of deathMultivariable logistic regressionNationwide Inpatient SampleAfrican AmericansHospital admissionAA patientsCaucasian patientsInpatient SamplePatientsLogistic regressionEthnic differencesDeathSurgeryOddsHospitalOverall disparityOutcomesDisparities