2025
Predictors of Physical, Chiropractic, and Acupuncture Therapy Utilization in the Three Months Following Newly Diagnosed Low Back Pain.
Seddio A, Dhodapkar M, Halperin S, Jabbouri S, Gouzoulis M, Joo P, Grauer J. Predictors of Physical, Chiropractic, and Acupuncture Therapy Utilization in the Three Months Following Newly Diagnosed Low Back Pain. Clinical Spine Surgery A Spine Publication 2025 PMID: 40521727, DOI: 10.1097/bsd.0000000000001859.Peer-Reviewed Original ResearchLow back painChiropractic therapyAcupuncture therapyBack painDays of low back painNonclinical factorsLow back pain patientsPredictors of CT utilizationTherapy utilizationMultivariate logistic regressionMusculoskeletal problemsPhysical therapyElixhauser Comorbidity IndexIndependent predictorsLogistic regressionCT utilizationUtilization patternsAcupunctureLevel IIIMale sexExclusion criteriaComorbidity indexTherapy typeNational levelPainNational Trends of Surgical Interventions for Thumb Carpometacarpal Arthritis From 2010 to 2022
Day W, Rancu A, Halim A, Gouzoulis M, Joo P, Grauer J. National Trends of Surgical Interventions for Thumb Carpometacarpal Arthritis From 2010 to 2022. The Journal Of Hand Surgery 2025 PMID: 40314633, DOI: 10.1016/j.jhsa.2025.03.014.Peer-Reviewed Original ResearchThumb carpometacarpal arthritisSurgical optionsPatient characteristicsCarpometacarpal arthritisProsthetic arthroplastyMultivariate logistic regressionSurgical modalitiesTherapeutic IIPearlDiver databaseAdult patientsSurgical interventionCharacterize utilizationUnivariate linear regressionLRTILigament reconstructionPatientsSurgeryNonclinical factorsTendon interpositionNonclinical variablesLogistic regressionTrapeziectomyArthritisCohortArthroplastyHand therapy utilization following digital flexor tendon repair: Trends, timing, predictive factors, and association with reoperation
Kammien A, Hu K, Yu C, Grauer J, Colen D. Hand therapy utilization following digital flexor tendon repair: Trends, timing, predictive factors, and association with reoperation. Journal Of Hand Therapy 2025 PMID: 39755488, DOI: 10.1016/j.jht.2024.07.002.Peer-Reviewed Original ResearchTherapy utilizationAssociated with several clinical factorsHand therapyMonths of surgeryProportion of patientsPostoperative hand therapyPostoperative week 4Tendon repairFlexor tendon repairConcomitant proceduresPredictive factorsClinical factorsFollow-upZone II flexor tendon repairNonclinical characteristicsPatient factorsWeek 4TherapyNerve repairExclusion criteriaNonclinical factorsClinical practiceLogistic regressionComponent of recoveryDigital flexor tendon repair
2023
Trends in and Factors Associated With Surgical Management for Closed Clavicle Fractures
Dhodapkar M, Modrak M, Halperin S, Joo P, Luo X, Grauer J. Trends in and Factors Associated With Surgical Management for Closed Clavicle Fractures. JAAOS Global Research And Reviews 2023, 7: e23.00226. PMID: 38149938, PMCID: PMC10752468, DOI: 10.5435/jaaosglobal-d-23-00226.Peer-Reviewed Original ResearchConceptsElixhauser Comorbidity IndexSurgical managementClavicle fracturesAnatomic locationFracture diagnosisClosed clavicle fractureMinority of patientsComorbidity indexAdult patientsClinical factorsPatient ageIndependent predictorsMultivariable analysisNonsurgical managementOpen reductionNonclinical factorsFirst diagnosisInternal fixationSurgical considerationsSuch injuriesPatientsStudy periodDiagnosisInsurance coverageFractures
2015
Changing practice patterns of Gamma Knife versus linear accelerator-based stereotactic radiosurgery for brain metastases in the US.
Park HS, Wang EH, Rutter CE, Corso CD, Chiang VL, Yu JB. Changing practice patterns of Gamma Knife versus linear accelerator-based stereotactic radiosurgery for brain metastases in the US. Journal Of Neurosurgery 2015, 124: 1018-24. PMID: 26473783, DOI: 10.3171/2015.4.jns1573.Peer-Reviewed Original ResearchConceptsSingle-fraction stereotactic radiosurgeryNon-small cell lung cancerBrain metastasesStereotactic radiosurgeryNational Cancer Data BaseMultivariable logistic regression analysisSingle-fraction SRSLinear accelerator-based stereotactic radiosurgeryAcademic facility typesLimited brain metastasesNSCLC brain metastasesProportion of patientsYear of diagnosisToxicity of treatmentCell lung cancerLogistic regression analysisSRS useWide geographic variationChi-square testComparative effectiveness researchProspective trialIndependent predictorsMultivariable analysisNonclinical factorsRadiosurgery system
2014
Variation in transfusion rates within a single institution: Exploring the effect of differing practice patterns on the likelihood of blood product transfusion in patients undergoing cardiac surgery
Cote C, MacLeod J, Yip A, Ouzounian M, Brown C, Forgie R, Pelletier M, Hassan A. Variation in transfusion rates within a single institution: Exploring the effect of differing practice patterns on the likelihood of blood product transfusion in patients undergoing cardiac surgery. Journal Of Thoracic And Cardiovascular Surgery 2014, 149: 297-302. PMID: 25300883, DOI: 10.1016/j.jtcvs.2014.09.004.Peer-Reviewed Original ResearchConceptsRate of perioperative transfusionPerioperative transfusion ratesPerioperative transfusionTransfusion rateCardiac surgeryPractice patternsIntraoperative variablesPredictors of perioperative transfusionPredictors of blood transfusionOverall transfusion rateBlood product transfusionRisk-adjusted effectYear of procedureProduct transfusionBlood transfusionClinical predictorsIndependent predictorsClinical characteristicsClinical factorsTransfusionPatientsStudy populationSurgeryMultivariable regression modeling techniquesNonclinical factors
2013
Provider versus patient factors impacting hospital length of stay after pancreaticoduodenectomy
Schneider E, Hyder O, Wolfgang C, Dodson R, Haider A, Herman J, Pawlik T. Provider versus patient factors impacting hospital length of stay after pancreaticoduodenectomy. Surgery 2013, 154: 152-161. PMID: 23889945, DOI: 10.1016/j.surg.2013.03.013.Peer-Reviewed Original ResearchConceptsDuration of stayHigh-volume hospitalsHigh-volume surgeonsHospital volumeMedian durationPD volumeMedian annual surgeon volumeAnnual hospital volumeAnnual surgeon volumePatient-level factorsNationwide Inpatient SampleCost-saving implicationsLow surgeonComorbid illnessesHospital lengthPerioperative outcomesVolume hospitalsHospital durationOlder patientsPatient ageMedian ageNonclinical factorsPatient factorsSurgeon volumePD patients
2006
Factors Related to Underuse of Surveillance Mammography Among Breast Cancer Survivors
Keating NL, Landrum MB, Guadagnoli E, Winer EP, Ayanian JZ. Factors Related to Underuse of Surveillance Mammography Among Breast Cancer Survivors. Journal Of Clinical Oncology 2006, 24: 85-94. PMID: 16382117, DOI: 10.1200/jco.2005.02.4174.Peer-Reviewed Original ResearchConceptsBreast cancer survivorsSurveillance mammographyCancer survivorsMonth 7Elderly breast cancer survivorsEnd Results-Medicare dataOlder breast cancer survivorsAnnual surveillance mammographyPrimary surgical therapyRepeated-measures logistic regressionLower mammography ratesQuarter of womenPopulation-based sampleService Medicare enrolleesBreast cancer diagnosisSurgical therapyAnnual mammographyGuideline recommendationsMedical oncologistsMultivariable analysisNonclinical factorsMammography ratesBreast cancerMammography useStage I
1999
Factors Affecting Prophylactic Oophorectomy in Postmenopausal Women
GROSS C, NICHOLSON W, POWE N. Factors Affecting Prophylactic Oophorectomy in Postmenopausal Women. Obstetrics And Gynecology 1999, 94: 962-968. DOI: 10.1097/00006250-199912000-00011.Peer-Reviewed Original ResearchConceptsVaginal hysterectomyConcomitant oophorectomyProphylactic oophorectomyTotal abdominal hysterectomyWomen 50 yearsHospital discharge databasePhysician practice styleCross-sectional studyMultiple logistic regressionType of procedureOophorectomy ratesAbdominal hysterectomyPostmenopausal womenPatient factorsSurgical morbidityNonclinical factorsDischarge databaseOvarian cancerOophorectomyHysterectomyCase volumeBenign conditionsPractice styleLogistic regressionIndependent effectsManagement of Barrett's esophagus: a national study of practice patterns and their cost implications
Gross C, Canto M, Hixson J, Powe N. Management of Barrett's esophagus: a national study of practice patterns and their cost implications. The American Journal Of Gastroenterology 1999, 94: ajg1999806. PMID: 10606300, DOI: 10.1111/j.1572-0241.1999.01606.x.Peer-Reviewed Original ResearchConceptsHigh-grade dysplasiaDirect medical costsBarrett's esophagusEndoscopic surveillancePractice patternsMedical costsAge 45 yrNational cross-sectional surveyCurrent practice patternsLow-grade dysplasiaMajority of cliniciansFrequency of endoscopyDegree of dysplasiaPopulation-based estimatesCross-sectional surveySurveillance endoscopyNonclinical factorsBE patientsPhysician ageCost implicationsFrequent surveillanceDysplasiaGastroenterologistsClinical decisionOptimal management
1991
Zidovudine use in AIDS-free HIV-1-seropositive homosexual men in the Multicenter AIDS Cohort Study (MACS), 1987-1989.
Graham NM, Zeger SL, Kuo V, Jacobson LP, Vermund SH, Phair JP, Detels R, Rinaldo CR, Saah AJ. Zidovudine use in AIDS-free HIV-1-seropositive homosexual men in the Multicenter AIDS Cohort Study (MACS), 1987-1989. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1991, 4: 267-76. PMID: 1671411.Peer-Reviewed Original ResearchConceptsHIV-1 seropositive homosexual menZidovudine useVisit 11Clinical variablesClinical trialsHomosexual menVisit 7Multicenter AIDS Cohort StudyLymphocytes/mm3Major clinical variablesClinical trial participationAIDS Cohort StudyClinical trial participantsSeropositive participantsZidovudine therapyCohort studyHigher treatment ratesLymphocyte levelsLymphocyte numbersNonclinical factorsAIDS patientsTrial participationSymptom statusOverall prevalenceOdds ratio
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