2022
Mode of Delivery in Antepartum Singleton Stillbirths and Associated Risk Factors
Underwood K, Reddy UM, Hosier H, Sweeney L, Campbell KH, Xu X. Mode of Delivery in Antepartum Singleton Stillbirths and Associated Risk Factors. American Journal Of Perinatology 2022, 41: e193-e203. PMID: 35850142, DOI: 10.1055/s-0042-1750795.Peer-Reviewed Original ResearchMode of deliveryAntepartum stillbirthCesarean deliveryPrior cesareanVaginal deliveryMaternal hospital discharge recordsLower likelihoodAssociated risk factorsWeeks of gestationHospital discharge recordsNon-clinical factorsUrban teaching hospitalMultivariable regression analysisPopulation-based sampleFetal death certificatesSingleton stillbirthsPrimary outcomeHospital characteristicsRisk factorsTeaching hospitalDeath certificatesMultivariable regressionCesareanPatientsStillbirthMaternal Outcomes in Subsequent Pregnancies After Classical Cesarean Delivery
Thompson BB, Reddy UM, Burn M, Abdel-Razeq S, Xu X. Maternal Outcomes in Subsequent Pregnancies After Classical Cesarean Delivery. Obstetrics And Gynecology 2022, 140: 212-219. PMID: 35852271, DOI: 10.1097/aog.0000000000004869.Peer-Reviewed Original ResearchConceptsPrior classical cesarean deliveryLow transverse cesarean deliveryPrior low transverse cesarean deliveryClassical cesarean deliverySevere maternal morbidityClinical risk factorsCesarean deliveryUterine ruptureMaternal outcomesSubsequent pregnancyHospital characteristicsRate of SMMPatient clinical risk factorsNational Inpatient Sample databaseLive singleton birthsWeeks of gestationMode of deliveryCross-sectional analysisMaternal morbiditySingleton birthsRisk factorsOutcome measuresMultivariable regressionHigh riskPropensity score methods
2020
Hospital variation in admissions to neonatal intensive care units by diagnosis severity and category
Haidari ES, Lee HC, Illuzzi JL, Phibbs CS, Lin H, Xu X. Hospital variation in admissions to neonatal intensive care units by diagnosis severity and category. Journal Of Perinatology 2020, 41: 468-477. PMID: 32801351, PMCID: PMC7427695, DOI: 10.1038/s41372-020-00775-z.Peer-Reviewed Original ResearchConceptsNeonatal intensive care unitNICU admission ratesIntensive care unitNICU admissionMild diagnosesCare unitHospital variationInterhospital variationAdmission ratesPatient/hospital characteristicsHospital discharge dataRisk-adjusted ratesWeeks' gestationNICU bedsBirth weightHospital characteristicsSevere diagnosisLive birthsMultivariable regressionAdmissionPotential overuseBirth certificatesDiagnosisHigher likelihoodDiagnosis severityTrial of Labor After Two Prior Cesarean Deliveries: Patient and Hospital Characteristics and Birth Outcomes.
Dombrowski M, Illuzzi JL, Reddy UM, Lipkind HS, Lee HC, Lin H, Lundsberg LS, Xu X. Trial of Labor After Two Prior Cesarean Deliveries: Patient and Hospital Characteristics and Birth Outcomes. Obstetrics And Gynecology 2020, 136: 109-117. PMID: 32541284, PMCID: PMC7321852, DOI: 10.1097/aog.0000000000003845.Peer-Reviewed Original ResearchConceptsComposite severe maternal morbidityTrial of laborPrior cesarean deliverySevere maternal morbidityCesarean deliveryMaternal morbidityNewborn complicationsHospital characteristicsPropensity score-matched analysisSevere neonatal morbiditySuccessful vaginal birthSingleton live birthsAssociation of patientCohort of mothersBirth certificate dataSample eligibility criteriaModest increaseNeonatal morbidityNeonatal outcomesHospital dischargeBirth outcomesVaginal birthClear contraindicationsLive birthsMultivariable regression
2016
Variation in Hospital Intrapartum Practices and Association With Cesarean Rate
Lundsberg LS, Illuzzi JL, Gariepy AM, Sheth SS, Pettker CM, Lee HC, Lipkind HS, Xu X. Variation in Hospital Intrapartum Practices and Association With Cesarean Rate. Journal Of Obstetric Gynecologic & Neonatal Nursing 2016, 46: 5-17. PMID: 27886948, DOI: 10.1016/j.jogn.2016.07.011.Peer-Reviewed Original ResearchConceptsCesarean rateIntrapartum practicesIntrapartum interventionsIntrapartum careLow-risk womenLower cesarean ratesRegular reviewHospital cesarean rateCross-sectional surveyRank sum testKendall's tau-b correlation coefficientLiberal indicationsLabor inductionVaginal birthHospital variationNewborn careAntibody screenCesarean birthIntravenous lineObstetric servicesHospital characteristicsEligible hospitalsMassachusetts hospitalsFetal monitoringClinical staffInpatient Laparoscopic Hysterectomy in the United States: Trends and Factors Associated With Approach Selection
Desai VB, Guo XM, Fan L, Wright JD, Xu X. Inpatient Laparoscopic Hysterectomy in the United States: Trends and Factors Associated With Approach Selection. Journal Of Minimally Invasive Gynecology 2016, 24: 151-158.e1. PMID: 27614151, DOI: 10.1016/j.jmig.2016.08.830.Peer-Reviewed Original ResearchConceptsLaparoscopic supracervical hysterectomyTotal laparoscopic hysterectomyLaparoscopic approachLaparoscopic hysterectomyNational Inpatient SampleHospital characteristicsPatient race/ethnicityFemale adult patientsClinical Modification codesDifferent laparoscopic approachesAssociation of patientHospital teaching statusHospital inpatient careBenign laparoscopic hysterectomyRace/ethnicityNonobstetric indicationsAdult patientsVaginal hysterectomyClinical factorsSupracervical hysterectomyBenign indicationsComorbid conditionsRetrospective studyNinth RevisionNIS database
2014
“Phenotyping” Hospital Value of Care for Patients with Heart Failure
Xu X, Li S, Lin H, Normand S, Kim N, Ott LS, Lagu T, Duan M, Kroch EA, Krumholz HM. “Phenotyping” Hospital Value of Care for Patients with Heart Failure. Health Services Research 2014, 49: 2000-2016. PMID: 24974769, PMCID: PMC4254136, DOI: 10.1111/1475-6773.12197.Peer-Reviewed Original ResearchConceptsLower mortalityHeart failureHeart failure hospitalizationHospital mortality rateLonger hospital stayIntensive care unitDistinct joint trajectoriesValue of careFailure hospitalizationHospital stayCare unitClinical outcomesGroup of hospitalsHospital characteristicsHospital careHospital patternsSurgical proceduresMultinomial logistic regressionMortality rateHigh mortalityHospitalHospitalizationMortalityLogistic regressionHospital Value