2013
For-profit hospital ownership status and use of brachytherapy after breast-conserving surgery
Sen S, Soulos PR, Herrin J, Roberts KB, Yu JB, Lesnikoski BA, Ross JS, Krumholz HM, Gross CP. For-profit hospital ownership status and use of brachytherapy after breast-conserving surgery. Surgery 2013, 155: 776-788. PMID: 24787104, PMCID: PMC4008843, DOI: 10.1016/j.surg.2013.12.009.Peer-Reviewed Original ResearchConceptsHospital ownership statusBreast-conserving operationsBreast-conserving surgeryUse of brachytherapyRadiation therapyOperative careBreast cancerMedicare beneficiariesOverall useReceipt of brachytherapyAdjuvant radiation therapyInvasive breast cancerFemale Medicare beneficiariesGreater overall useYears of ageShort life expectancyRetrospective studyRT modalityProfit hospitalsExpensive modalityOlder womenBrachytherapy useBreast brachytherapyHospitalBrachytherapyAge-based and Sex-based Disparities in Screening Colonoscopy Use Among Medicare Beneficiaries
Gancayco J, Soulos PR, Khiani V, Cramer LD, Ross JS, Genao I, Tinetti M, Gross CP. Age-based and Sex-based Disparities in Screening Colonoscopy Use Among Medicare Beneficiaries. Journal Of Clinical Gastroenterology 2013, 47: 630-636. PMID: 23619827, DOI: 10.1097/mcg.0b013e31828345c8.Peer-Reviewed Original ResearchConceptsColonoscopy useScreening colonoscopyColonoscopy ratesLife expectancyMedicare beneficiariesOlder personsColorectal cancer incidencePatient demographic characteristicsLow screening ratesSex-based disparitiesShort life expectancySex-based differencesLonger life expectancyPatients 68Older patientsPatients 75Screening ratesCancer incidenceLarge cohortMedicare claimsColonoscopyMedicare dataPatientsPoisson regressionLife table approach
2011
Assessing the Impact of Screening Colonoscopy on Mortality in the Medicare Population
Gross CP, Soulos PR, Ross JS, Cramer LD, Guerrero C, Tinetti ME, Braithwaite RS. Assessing the Impact of Screening Colonoscopy on Mortality in the Medicare Population. Journal Of General Internal Medicine 2011, 26: 1441-1449. PMID: 21842323, PMCID: PMC3235614, DOI: 10.1007/s11606-011-1816-4.Peer-Reviewed Original ResearchConceptsColorectal cancerStrata of sexYears of ageShort life expectancyDesignRetrospective studyResultsIncreasing ageWomen 75Greater comorbidityOlder patientsScreening colonoscopyComorbiditiesRoutine screeningMedicare populationMortality ratePatientsAge groupsEffectiveness of SCMortalityLife expectancyWomenAgeMenColonoscopySexYears