2021
Prevalence of Missing Data in the National Cancer Database and Association With Overall Survival
Yang DX, Khera R, Miccio JA, Jairam V, Chang E, Yu JB, Park HS, Krumholz HM, Aneja S. Prevalence of Missing Data in the National Cancer Database and Association With Overall Survival. JAMA Network Open 2021, 4: e211793. PMID: 33755165, PMCID: PMC7988369, DOI: 10.1001/jamanetworkopen.2021.1793.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseNon-small cell lung cancerOverall survivalCell lung cancerCancer DatabaseMedical recordsLung cancerProstate cancerBreast cancerPatient recordsComplete dataRetrospective cohort studyCohort studyCancer RegistryCommon cancerVariables of interestHigh prevalenceMAIN OUTCOMEPatientsClinical advancementReal-world data sourcesCancerPrevalenceSurvivalHeterogeneous differences
2020
Emergency Department Visits for Firearm-Related Injuries among Youth in the United States, 2006–2015
Lee V, Camp C, Jairam V, Park HS, Yu JB. Emergency Department Visits for Firearm-Related Injuries among Youth in the United States, 2006–2015. The Journal Of Law, Medicine & Ethics 2020, 48: 67-73. PMID: 33404319, DOI: 10.1177/1073110520979403.Peer-Reviewed Original ResearchConceptsNationwide Emergency Department SampleEmergency department visitsFirearm injuriesDepartment visitsInjury dataSignificant public health problemEmergency Department SampleEmergency Department DatabasesPublic health problemFirearm-related injuriesPatient ageEmergency departmentRisk factorsDepartment databaseNumber of childrenSignificant burdenImmense burdenHealth problemsDeath dataInjuryVisitsUnited StatesBurdenDescriptive analysisSafety measures
2019
Error Types and Associations of Clinically Significant Events Within Food and Drug Administration Recalls of Linear Accelerators and Related Products
Jairam V, Lincoln H, Brown D, Park HS, Evans SB. Error Types and Associations of Clinically Significant Events Within Food and Drug Administration Recalls of Linear Accelerators and Related Products. Practical Radiation Oncology 2019, 10: e8-e15. PMID: 31408733, DOI: 10.1016/j.prro.2019.08.001.Peer-Reviewed Original ResearchDefining an Intermediate-risk Group for Low-grade Glioma: A National Cancer Database Analysis
JAIRAM V, KANN BH, PARK HS, MICCIO JA, BECKTA JM, YU JB, PRABHU RS, GAO SJ, MEHTA MP, CURRAN WJ, BINDRA RS, CONTESSA JN, PATEL KR. Defining an Intermediate-risk Group for Low-grade Glioma: A National Cancer Database Analysis. Anticancer Research 2019, 39: 2911-2918. PMID: 31177129, DOI: 10.21873/anticanres.13420.Peer-Reviewed Original ResearchConceptsIntermediate-risk groupInferior overall survivalOverall survivalAdjuvant therapyLow-grade gliomasTumor sizePrognostic featuresMultivariate analysisPre-operative tumor sizeNational Cancer Database AnalysisNational Cancer DatabaseLow-risk patientsCohort of patientsKaplan-Meier methodPoor prognostic featuresGross total resectionHigh-risk groupPatterns of careAdditional prognostic featuresRTOG 9802Clinical factorsTotal resectionCancer DatabaseRisk groupsClinical classificationRadiation therapy treatment facility and overall survival in the adjuvant setting for locally advanced head and neck squamous cell carcinoma
Lee NCJ, Kelly JR, An Y, Park HS, Judson BL, Burtness BA, Husain ZA. Radiation therapy treatment facility and overall survival in the adjuvant setting for locally advanced head and neck squamous cell carcinoma. Cancer 2019, 125: 2018-2026. PMID: 30748002, PMCID: PMC6541535, DOI: 10.1002/cncr.32001.Peer-Reviewed Original ResearchConceptsHigh-volume surgical facilitiesPostoperative radiation therapyNeck squamous cell carcinomaSquamous cell carcinomaOverall survivalSurvival benefitCell carcinomaSurgical facilitiesPropensity score-matched cohortAnnual case volumeDefinitive surgeryAdvanced headOS improvementImproved outcomesRadiation therapyCase volumeOral cavityPatientsReduced hazardMultivariate analysisSurgeryInvasive HNSCCCarcinomaSurvivalTreatment
2018
Clinical value of transoral robotic surgery: Nationwide results from the first 5 years of adoption
Li H, Torabi SJ, Park HS, Yarbrough WG, Mehra S, Choi R, Judson BL. Clinical value of transoral robotic surgery: Nationwide results from the first 5 years of adoption. The Laryngoscope 2018, 129: 1844-1855. PMID: 30575965, DOI: 10.1002/lary.27740.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Squamous CellChemoradiotherapy, AdjuvantChi-Square DistributionCombined Modality TherapyDatabases, FactualFemaleHumansKaplan-Meier EstimateMaleMargins of ExcisionMiddle AgedMultivariate AnalysisNatural Orifice Endoscopic SurgeryNeoplasm StagingOropharyngeal NeoplasmsProportional Hazards ModelsRegression AnalysisRetrospective StudiesRobotic Surgical ProceduresTreatment OutcomeUnited StatesConceptsOropharyngeal squamous cell carcinomaTransoral robotic surgeryTransoral laser microsurgeryNonrobotic surgeryTORS patientsPositive marginsTLM patientsLower likelihoodT2 oropharyngeal squamous cell carcinomaEarly stage oropharyngeal squamous cell carcinomaLong-term oncologic outcomesUse of TORSKaplan-Meier log-rank testRobotic surgeryNational Cancer DatabaseMajority of patientsMultivariate Cox analysisSquamous cell carcinomaLog-rank testChi-square testCox multivariateN3 diseaseAdjuvant chemoradiotherapyAdjuvant radiotherapyAdjuvant therapyAssociation Between Radiation Dose and Outcomes With Postoperative Radiotherapy for N0-N1 Non–Small Cell Lung Cancer
Wang EH, Corso CD, Park HS, Chen AB, Wilson LD, Kim AW, Decker RH, Yu JB. Association Between Radiation Dose and Outcomes With Postoperative Radiotherapy for N0-N1 Non–Small Cell Lung Cancer. American Journal Of Clinical Oncology 2018, 41: 152-158. PMID: 26523443, DOI: 10.1097/coc.0000000000000245.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAgedCarcinoma, Non-Small-Cell LungCohort StudiesDatabases, FactualDisease-Free SurvivalDose-Response Relationship, RadiationFemaleHumansLung NeoplasmsMaleMargins of ExcisionMiddle AgedMultivariate AnalysisNeoplasm InvasivenessNeoplasm StagingPneumonectomyPrognosisProportional Hazards ModelsRadiotherapy DosageRadiotherapy, AdjuvantRadiotherapy, Intensity-ModulatedRetrospective StudiesSurvival AnalysisTreatment OutcomeConceptsNon-small cell lung cancerPostoperative radiotherapyCell lung cancerIntensity-modulated radiation therapyPORT doseOverall survivalLung cancerRadiation therapyUse of PORTNational Cancer Data BaseStage IIProportion of patientsGroup of patientsProportional hazards regressionEvidence of benefitSurgical resectionWorse survivalMultivariable analysisHazards regressionRetrospective studyConformal radiationPatientsRadiotherapy techniquesRadiation modalitiesModern treatment
2017
Patterns of care and outcomes for use of concurrent chemoradiotherapy over radiotherapy alone for anaplastic gliomas
Yeboa DN, Rutter CE, Park HS, Lester-Coll NH, Corso CD, Mancini BR, Bindra RS, Contessa J, Yu JB. Patterns of care and outcomes for use of concurrent chemoradiotherapy over radiotherapy alone for anaplastic gliomas. Radiotherapy And Oncology 2017, 125: 258-265. PMID: 29054377, DOI: 10.1016/j.radonc.2017.09.027.Peer-Reviewed Original ResearchConceptsUse of CCRTConcurrent chemoradiotherapyPatterns of careAnaplastic gliomasOverall survivalCox proportional hazards regression modelingProportional hazards regression modelingMultivariable logistic regression analysisConcurrent CRTNational Cancer DatabaseKaplan-Meier analysisLog-rank testLogistic regression analysisGrade III gliomasAdjusted hazardAdult patientsImproved survivalCancer DatabaseDesign cohortRadiotherapyPropensity scorePatientsGliomasChemoradiotherapyRegression modelingStage I Lung SBRT Clinical Practice Patterns
Corso CD, Park HS, Moreno AC, Kim AW, Yu JB, Husain ZA, Decker RH. Stage I Lung SBRT Clinical Practice Patterns. American Journal Of Clinical Oncology 2017, 40: 358-361. PMID: 25503436, DOI: 10.1097/coc.0000000000000162.Peer-Reviewed Original ResearchConceptsStereotactic body radiation therapyNational Cancer DatabaseStage I non-small cell lung cancer patientsUse of SBRTNon-small cell lung cancer patientsCell lung cancer patientsStage I NSCLCMajority of patientsClinical practice patternsLung cancer patientsBody radiation therapyMedian BED10SBRT useDosing guidelinesRetrospective studyCancer patientsPrescription trendsCancer DatabasePractice patternsRadiation therapyPatientsDose prescriptionGyRegimensCommon prescriptionPredictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer.
Kole AJ, Stahl JM, Park HS, Khan SA, Johung KL. Predictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer. Journal Of The National Comprehensive Cancer Network 2017, 15: 355-362. PMID: 28275036, DOI: 10.6004/jnccn.2017.0035.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsAnus NeoplasmsCombined Modality TherapyDatabases, FactualDisease ManagementFemaleHumansMaleMedication AdherenceMiddle AgedNeoplasm GradingNeoplasm StagingOdds RatioPractice Guidelines as TopicPrognosisProportional Hazards ModelsRisk FactorsTreatment OutcomeConceptsAnal canal cancerAnal cancerNCCN recommendationsSurgical proceduresNCCN Clinical Practice GuidelinesNational Cancer Data BaseGuideline-discordant careAnal canal carcinomaPredictors of nonadherenceClinical practice guidelinesHigh tumor gradeLow-grade tumorsLogistic regression modelingNon-academic facilitiesChi-square testDefinitive chemoradiotherapyGuideline concordantConcurrent chemoradiotherapyAnal carcinomaStandard therapyClinicopathologic factorsGuideline recommendationsMultivariable analysisMale sexTumor size
2016
Hospital Volume and Outcomes of Robot-Assisted Lobectomies
Tchouta LN, Park HS, Boffa DJ, Blasberg JD, Detterbeck FC, Kim AW. Hospital Volume and Outcomes of Robot-Assisted Lobectomies. CHEST Journal 2016, 151: 329-339. PMID: 27687847, DOI: 10.1016/j.chest.2016.09.008.Peer-Reviewed Original ResearchMeSH KeywordsAgedCase-Control StudiesCohort StudiesDatabases, FactualFemaleHospital MortalityHospitals, High-VolumeHospitals, Low-VolumeHumansLength of StayLinear ModelsLogistic ModelsLungLung NeoplasmsMaleMiddle AgedMultivariate AnalysisPneumonectomyPostoperative ComplicationsRetrospective StudiesRobotic Surgical ProceduresThoracic Surgery, Video-AssistedTreatment OutcomeConceptsLength of stayLow-volume centersHospital volumeClinical impactHealth care system-related factorsShorter mean LOSUtilization Project National Inpatient Sample databaseVolume/outcome relationshipLong-term clinical impactMean LOSNational Inpatient Sample databaseShorter LOSVideo-assisted thoracoscopic surgeryHospital operative volumeHigh-volume hospitalsIncidence of complicationsHigher hospital volumeThoracoscopic surgery lobectomyAnnual case volumeSystem-related factorsOutcomes of interestLOS outcomesInfectious complicationsInpatient mortalityIndependent predictors
2015
Role of Chemoradiotherapy in Elderly Patients With Limited-Stage Small-Cell Lung Cancer
Corso CD, Rutter CE, Park HS, Lester-Coll NH, Kim AW, Wilson LD, Husain ZA, Lilenbaum RC, Yu JB, Decker RH. Role of Chemoradiotherapy in Elderly Patients With Limited-Stage Small-Cell Lung Cancer. Journal Of Clinical Oncology 2015, 33: 4240-4246. PMID: 26481366, PMCID: PMC4678178, DOI: 10.1200/jco.2015.62.4270.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsChemoradiotherapyComorbidityDatabases, FactualFemaleHumansKaplan-Meier EstimateLung NeoplasmsMaleNeoplasm StagingOdds RatioPropensity ScoreRetrospective StudiesSex FactorsSmall Cell Lung CarcinomaTime FactorsTreatment OutcomeUnited StatesConceptsElderly patientsOverall survivalSurvival benefitLung cancerLimited-stage small cell lung cancerCancer clinical stage IClinical stage III diseaseNational Cancer Data BaseCox proportional hazards regressionPropensity scoreSmall cell lung cancerLarge population-based cohortLimited-Stage SmallRole of chemoradiotherapyClinical stage IStage III diseaseUse of chemoradiotherapyCell lung cancerPopulation-based cohortProportional hazards regressionLog-rank testMixed-effects logistic regressionLarge national databaseOS advantageSequential chemoradiotherapyChanging 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 systemAddition of radiotherapy to adjuvant chemotherapy is associated with improved overall survival in resected pancreatic adenocarcinoma: An analysis of the National Cancer Data Base
Rutter CE, Park HS, Corso CD, Lester-Coll NH, Mancini BR, Yeboa DN, Johung KL. Addition of radiotherapy to adjuvant chemotherapy is associated with improved overall survival in resected pancreatic adenocarcinoma: An analysis of the National Cancer Data Base. Cancer 2015, 121: 4141-4149. PMID: 26280559, DOI: 10.1002/cncr.29652.Peer-Reviewed Original ResearchConceptsImproved overall survivalNational Cancer Data BaseOverall survivalPancreatic adenocarcinomaAdjuvant chemotherapyR0 resectionR1 resectionPN1 diseaseNational cohortSubset analysisPropensity scoreAddition of radiotherapyMedian radiotherapy doseOutcome of chemotherapyLarge national cohortPT1-3N0CRT groupClinicopathologic characteristicsCRT patientsRandomized comparisonCox regressionRadiotherapy doseOptimal treatmentPancreatic cancerUnivariate analysisPostoperative Radiation Therapy Is Associated With Improved Overall Survival in Incompletely Resected Stage II and III Non–Small-Cell Lung Cancer
Wang EH, Corso CD, Rutter CE, Park HS, Chen AB, Kim AW, Wilson LD, Decker RH, Yu JB. Postoperative Radiation Therapy Is Associated With Improved Overall Survival in Incompletely Resected Stage II and III Non–Small-Cell Lung Cancer. Journal Of Clinical Oncology 2015, 33: 2727-2734. PMID: 26101240, DOI: 10.1200/jco.2015.61.1517.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCarcinoma, Non-Small-Cell LungDatabases, FactualFemaleHumansKaplan-Meier EstimateLogistic ModelsLung NeoplasmsMaleMiddle AgedNeoplasm StagingNeoplasm, ResidualPneumonectomyRadiotherapy DosageRadiotherapy, AdjuvantRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedRegistriesRetrospective StudiesTreatment OutcomeUnited StatesConceptsUse of PORTPostoperative radiotherapyOverall survivalNodal stageStage IIMultivariable analysisPatient populationLung cancerNon-small cell lung cancerOverall American Joint CommitteeNational Cancer Data BaseImproved overall survivalLower nodal stagePostoperative radiation therapyPositive surgical marginsAmerican Joint CommitteeCancer stage IICell lung cancerProportional hazards regressionMultivariable logistic regressionClinicopathologic covariatesChemotherapy receiptPerioperative mortalityOnly patientsSuch patients
2014
Assessment of National Practice for Palliative Radiation Therapy for Bone Metastases Suggests Marked Underutilization of Single-Fraction Regimens in the United States
Rutter CE, Yu JB, Wilson LD, Park HS. Assessment of National Practice for Palliative Radiation Therapy for Bone Metastases Suggests Marked Underutilization of Single-Fraction Regimens in the United States. International Journal Of Radiation Oncology • Biology • Physics 2014, 91: 548-555. PMID: 25542310, DOI: 10.1016/j.ijrobp.2014.10.045.Peer-Reviewed Original ResearchConceptsNational Cancer Data BaseBone metastasesRadiation therapyMultiple fraction radiation therapyNon-private health insuranceSingle-fraction regimensPalliative radiation therapyProportion of patientsValue-based treatment decisionsRadiation therapy regimensMultiple-fraction treatmentsSingle-fraction treatmentCost-conscious careIndependent predictorsOsseous metastasesRandomized evidenceTherapy regimensLung cancerTreatment decisionsVertebral sitesClinical practicePatientsMarked underutilizationOlder ageSingle fractionIncrease in the use of lung stereotactic body radiotherapy without a preceding biopsy in the United States
Rutter CE, Corso CD, Park HS, Mancini BR, Yeboa DN, Lester-Coll NH, Kim AW, Decker RH. Increase in the use of lung stereotactic body radiotherapy without a preceding biopsy in the United States. Lung Cancer 2014, 85: 390-394. PMID: 25001510, DOI: 10.1016/j.lungcan.2014.06.013.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerStereotactic body radiotherapyBody radiotherapyStage I non-small cell lung cancerEarly-stage non-small cell lung cancerStage non-small cell lung cancerMultivariate analysisUse of SBRTLung stereotactic body radiotherapyLogistic regressionNational Cancer DatabasePercentage of patientsYear of diagnosisSmaller tumor sizeCell lung cancerMultivariate logistic regressionMedical inoperabilityMedical comorbiditiesInoperable patientsTumor sizeLung cancerCancer DatabaseEfficacious treatmentSBRT deliveryBiopsy