2015
National 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 Sample
2014
Developing best practices to study trauma outcomes in large databases
Haider A, Hashmi Z, Zafar S, Castillo R, Haut E, Schneider E, Cornwell E, Mackenzie E, Efron D. Developing best practices to study trauma outcomes in large databases. Journal Of Trauma And Acute Care Surgery 2014, 76: 1061-1069. PMID: 24662872, DOI: 10.1097/ta.0000000000000182.Peer-Reviewed Original ResearchConceptsNational Trauma Data BankRisk-adjustment modelsTrauma mortalityTrauma outcomesSubsequent multivariate logistic regression analysisMultivariate logistic regression analysisManual backward selectionTrauma Data BankUnivariate logistic regressionLogistic regression analysisInitial multivariate modelPatient subsetsMultivariable analysisTrauma centerMortality outcomesSimilar AUROCsSubset analysisUnivariate analysisPrognostic studiesAnalytic standardizationLevel IIILogistic regression
2013
Predictors of outcome in acute encephalitis
Thakur K, Motta M, Asemota A, Kirsch H, Benavides D, Schneider E, McArthur J, Geocadin R, Venkatesan A. Predictors of outcome in acute encephalitis. Neurology 2013, 81: 793-800. PMID: 23892708, PMCID: PMC3908458, DOI: 10.1212/wnl.0b013e3182a2cc6d.Peer-Reviewed Original ResearchConceptsMultivariate logistic regression analysisPredictors of outcomeStatus epilepticusLogistic regression analysisCerebral edemaHospital dischargePoor outcomeJohns Hopkins Bayview Medical CenterPredictors of deathFurther prospective studiesIntensive care unitJohns Hopkins HospitalRegression analysisIntubation requirementAutoimmune etiologyAcute encephalitisAggressive managementVentilator supportMedian ageCare unitViral encephalitisProspective studyEncephalitis casesUnknown causeRetrospective analysis
2012
Is BRAF mutation associated with lymph node metastasis in patients with papillary thyroid cancer?
Lee K, Li C, Schneider E, Wang Y, Somervell H, Krafft M, Umbricht C, Zeiger M. Is BRAF mutation associated with lymph node metastasis in patients with papillary thyroid cancer? Surgery 2012, 152: 977-983. PMID: 23062653, PMCID: PMC3715093, DOI: 10.1016/j.surg.2012.08.019.Peer-Reviewed Original ResearchConceptsCentral lymph node dissectionLymph node metastasisPapillary thyroid cancerBRAF mutation statusMutation statusBRAF mutationsNode metastasisSurgical managementClinicopathologic featuresThyroid cancerPresence of LNMRoutine central lymph node dissectionMultivariate logistic regression analysisLymph node dissectionAggressive clinicopathologic featuresInstitutional review board approvalLogistic regression analysisFine-needle aspirationFine-needle aspiration samplesReview board approvalNode dissectionTotal thyroidectomyLymphatic invasionChi-square analysisBoard approval