Elena Graetz, PhD
Biostatistical AnalystCards
About
Research
Publications
2024
A Cross-Sectional Analysis of Pediatric Necrotizing Soft Tissue Infection Cases and Racial Disparities From the 2016 to 2020 National Inpatient Sample
Hamid S, Graetz E, Schneider E, Gibbs K. A Cross-Sectional Analysis of Pediatric Necrotizing Soft Tissue Infection Cases and Racial Disparities From the 2016 to 2020 National Inpatient Sample. Journal Of Surgical Research 2024, 297: 136-143. PMID: 38518580, DOI: 10.1016/j.jss.2024.02.009.Peer-Reviewed Original ResearchConceptsBlack patientsNecrotizing fasciitisOutcomes of necrotizing soft tissue infectionsPediatric populationSoft-tissue infection casesWhite patientsRacial disparitiesDiagnosis of necrotizing fasciitisNSTI casesSoft tissue infectionsProportion of black patientsNational Inpatient SamplePostoperative complicationsTissue infectionsFournier's gangreneSurgical proceduresCross-sectional analysisInfection overallPatientsHispanic patientsInpatient SampleNSTIMortality rateSubcutaneous tissueFasciitis
2023
Hospital Admissions for Abusive Head Trauma Before and During the COVID-19 Pandemic
Maassel N, Graetz E, Schneider E, Asnes A, Solomon D, Leventhal J. Hospital Admissions for Abusive Head Trauma Before and During the COVID-19 Pandemic. JAMA Pediatrics 2023, 177: 1342-1347. PMID: 37870839, PMCID: PMC10594171, DOI: 10.1001/jamapediatrics.2023.4519.Peer-Reviewed Original ResearchConceptsAbusive head traumaCross-sectional studyMonthly hospitalizationsHead traumaClinical characteristicsSignificant decreaseCOVID-19 pandemicPediatric Health Information SystemTertiary care children's hospitalMean monthly incidenceClinical Modification codesHospitalization of childrenInterrupted time series analysisCOVID-19Subgroup of childrenHospital admissionChildren's HospitalTenth RevisionHospitalizationMAIN OUTCOMEInternational ClassificationSevere formCOVID-19 periodHealth information systemsPreventive effortsThe Degree of Preoperative Hypoalbuminemia Is Associated with Risk of Postoperative Complications in Metabolic and Bariatric Surgery Patients
Ying L, Chao G, Canner J, Graetz E, Ghiassi S, Schwartz J, Zolfaghari E, Schneider E, Gibbs K. The Degree of Preoperative Hypoalbuminemia Is Associated with Risk of Postoperative Complications in Metabolic and Bariatric Surgery Patients. Obesity Surgery 2023, 34: 51-70. PMID: 37994997, DOI: 10.1007/s11695-023-06944-1.Peer-Reviewed Original ResearchConceptsBariatric surgery patientsPostoperative complicationsOdds ratioRevision patientsSurgery patientsRevision surgeryIntensive care unit admissionQuality Improvement Program databaseDegree of hypoalbuminemiaImpact of hypoalbuminemiaPrevalence of hypoalbuminemiaCare unit admissionLaparoscopic sleeve gastrectomyGastric bypass patientsImprovement Program databaseBody mass indexInsulin-dependent diabetesMultivariable logistic regressionAnesthesia classMild hypoalbuminemiaPreoperative hypoalbuminemiaUnit admissionUnplanned intubationPrimary surgerySleeve gastrectomy
2021
Race Differences in Trajectories of Hopelessness Among U.S. Older Adults: Do Social Conditions Matter?
Uchechi Mitchell, Elena Graetz, Jing Wang, Race Differences in Trajectories of Hopelessness Among U.S. Older Adults: Do Social Conditions Matter?, Innovation in Aging, Volume 5, Issue Supplement_1, 2021, Page 256,Peer-Reviewed Original ResearchEffect size, sample size and power of forced swim test assays in mice: Guidelines for investigators to optimize reproducibility.
Smalheiser NR, Graetz EE, Yu Z, Wang J. Effect size, sample size and power of forced swim test assays in mice: Guidelines for investigators to optimize reproducibility. PLoS One 2021, 16: e0243668. PMID: 33626103, DOI: 10.1371/journal.pone.0243668.Peer-Reviewed Original Research