2019
Abandonment trajectories of conventionally fractionated adjuvant radiotherapy in breast cancer care.
Xu X, Soulos P, Herrin J, Wang S, Pollack C, Evans S, Gross C, Yu J. Abandonment trajectories of conventionally fractionated adjuvant radiotherapy in breast cancer care. Journal Of Clinical Oncology 2019, 37: 531-531. DOI: 10.1200/jco.2019.37.15_suppl.531.Peer-Reviewed Original ResearchPhysician peer groupsBreast cancer careAdjuvant radiotherapyCancer careHigher useNational Medicare claimsPatient risk factorsDistinct trajectoriesYears of ageLow useDifferent baseline levelsRisk-adjusted ratesPatient cohortRisk factorsBreast cancerCost implicationsMedicare claimsBaseline levelsRadiotherapyMedicare perspectiveCFRTCurve analysisPhysiciansPatientsLatent growth curve analysis
2017
Mammography use in breast cancer survivors: An administrative claims study.
Ruddy K, Sangaralingham L, Neuman H, Greenberg C, Freedman R, Jemal A, Mougalian S, Hunt K, Haddad T, Lemaine V, Ghosh K, Hieken T, Vachon C, Gross C, Shah N. Mammography use in breast cancer survivors: An administrative claims study. Journal Of Clinical Oncology 2017, 35: 6531-6531. DOI: 10.1200/jco.2017.35.15_suppl.6531.Peer-Reviewed Original ResearchBreast cancer survivorsResidual breast tissueCancer survivorsMammography useBreast surgeryBreast cancerEarly-stage breast cancerMetastatic breast cancer diagnosisBreast tissueAnnual surveillance mammographyDefinitive breast surgeryOperable breast cancerCancer diagnosisCommercial insurance databaseProportion of patientsYear of diagnosisMultivariable logistic regressionStage breast cancerAdministrative claims dataYears of ageFirst yearBreast cancer diagnosisInsured cohortUnderwent mammographyRecurrent disease
2006
The effect of age and chronic illness on life expectancy after a diagnosis of colorectal cancer: implications for screening.
Gross CP, McAvay GJ, Krumholz HM, Paltiel AD, Bhasin D, Tinetti ME. The effect of age and chronic illness on life expectancy after a diagnosis of colorectal cancer: implications for screening. Annals Of Internal Medicine 2006, 145: 646-53. PMID: 17088577, DOI: 10.7326/0003-4819-145-9-200611070-00006.Peer-Reviewed Original ResearchConceptsChronic illnessColorectal cancerChronic conditionsLife expectancyCancer stageEarly-stage colorectal cancerPopulation-based cancer registriesPatients 67 yearsRetrospective cohort studyStage I cancerAdministrative claims dataChronic condition groupsFinal study sampleYears of ageShort life expectancyCohort studyEffect of agePatient ageI cancerCancer RegistryCancer variesHealthy patientsIndividual patientsMedicare claimsAdministrative claimsThe relation between projected breast cancer risk, perceived cancer risk, and mammography use
Gross C, Filardo G, Singh H, Freedman A, Farrell M. The relation between projected breast cancer risk, perceived cancer risk, and mammography use. Journal Of General Internal Medicine 2006, 21: 158-164. DOI: 10.1007/s11606-006-0251-4.Peer-Reviewed Original ResearchBreast cancer riskMammography useCancer riskCancer risk perceptionHighest quartileBreast cancer risk factorsFamily breast cancer historyNational Health Interview SurveyCancer risk factorsBreast cancer historyUse of mammographyHealth Interview SurveyYears of ageIndependent predictorsIndicators of accessRoutine mammographyCancer historyRisk factorsLowest quartileMammogram useInclusion criteriaFirst quartileRepeat mammographyAbnormal mammogramsClinical decision
2004
Participation in Cancer Clinical Trials: Race-, Sex-, and Age-Based Disparities
Murthy VH, Krumholz HM, Gross CP. Participation in Cancer Clinical Trials: Race-, Sex-, and Age-Based Disparities. JAMA 2004, 291: 2720-2726. PMID: 15187053, DOI: 10.1001/jama.291.22.2720.Peer-Reviewed Original ResearchConceptsCancer trialsCancer clinical trialsClinical trialsTrial participantsEnrollment fractionWhite patientsAge groupsCross-sectional population-based analysisProstate cancer clinical trialsCancer research participationCancer trial participantsColorectal cancer trialsPatients 75 yearsIncident cancer patientsLung cancer trialsPopulation-based analysisRelative risk ratiosAge-based disparitiesYears of ageNational Cancer InstituteLogistic regression modelsLittle recent informationTrial enrolleesYounger patientsPatient group