2021
Reporting of Study Participant Demographic Characteristics and Demographic Representation in Premarketing and Postmarketing Studies of Novel Cancer Therapeutics
Varma T, Wallach JD, Miller JE, Schnabel D, Skydel JJ, Zhang AD, Dinan MA, Ross JS, Gross CP. Reporting of Study Participant Demographic Characteristics and Demographic Representation in Premarketing and Postmarketing Studies of Novel Cancer Therapeutics. JAMA Network Open 2021, 4: e217063. PMID: 33877309, PMCID: PMC8058642, DOI: 10.1001/jamanetworkopen.2021.7063.Peer-Reviewed Original ResearchConceptsNovel cancer therapeuticsPostmarketing studyBlack patientsCancer therapeuticsDemographic dataOlder adultsUS cancer populationUS Cancer StatisticsCross-sectional studyRace/ethnicityParticipants' demographic characteristicsPercentage of trialsPatient sexCancer populationClinical studiesCancer statisticsMAIN OUTCOMEDrug AdministrationFDA approvalStudy participantsCancer typesDemographic characteristicsDemographic informationStudy samplePatients
2019
Age-treatment subgroup analyses in Cochrane intervention reviews: a meta-epidemiological study
Liu P, Ioannidis JPA, Ross JS, Dhruva SS, Luxkaranayagam AT, Vasiliou V, Wallach JD. Age-treatment subgroup analyses in Cochrane intervention reviews: a meta-epidemiological study. BMC Medicine 2019, 17: 188. PMID: 31639007, PMCID: PMC6805640, DOI: 10.1186/s12916-019-1420-8.Peer-Reviewed Original ResearchConceptsCochrane intervention reviewsFormal interaction testingSubgroup analysisIntervention reviewsClinical practice resourcesInsufficient trial dataPotential subgroup differencesMeta-epidemiological studyIndividual subgroup analysisCochrane reviewAppropriate statistical testsClinical significanceClinical careSubgroup findingsTrial dataClinical resourcesHealthcare interventionsBiological rationaleAnalysis of ageTrialsIndividual trialsDemographic characteristicsPractice resourcesSubgroup differencesClinical translation
2015
Differences in Colonoscopy Quality Among Facilities: Development of a Post-Colonoscopy Risk-Standardized Rate of Unplanned Hospital Visits
Ranasinghe I, Parzynski CS, Searfoss R, Montague J, Lin Z, Allen J, Vender R, Bhat K, Ross JS, Bernheim S, Krumholz HM, Drye EE. Differences in Colonoscopy Quality Among Facilities: Development of a Post-Colonoscopy Risk-Standardized Rate of Unplanned Hospital Visits. Gastroenterology 2015, 150: 103-113. PMID: 26404952, DOI: 10.1053/j.gastro.2015.09.009.Peer-Reviewed Original ResearchConceptsUnplanned hospital visitsDay of colonoscopyHospital visitsOutpatient facilitiesColonoscopy qualityHealthcare costsRisk-standardized ratesHospital outpatient departmentsUtilization Project dataAmbulatory surgery centersLogistic regression modelsHierarchical logistic regressionQuality improvement effortsPrior arrhythmiaAbdominal painElectrolyte imbalanceOutpatient departmentSurgery centersCommon causeHospital careOutcome measuresPsychiatric disordersColonoscopyUtilization ProjectPatient choice
2007
Acute Myocardial Infarction and Congestive Heart Failure Outcomes at Specialty Cardiac Hospitals
Nallamothu BK, Wang Y, Cram P, Birkmeyer JD, Ross JS, Normand SL, Krumholz HM. Acute Myocardial Infarction and Congestive Heart Failure Outcomes at Specialty Cardiac Hospitals. Circulation 2007, 116: 2280-2287. PMID: 17967975, DOI: 10.1161/circulationaha.107.709220.Peer-Reviewed Original ResearchConceptsCongestive heart failureRisk-standardized mortality ratesAcute myocardial infarctionStandardized mortality ratioSpecialty cardiac hospitalsCardiac hospitalGeneral HospitalMortality ratioMortality rateMyocardial infarctionCongestive heart failure outcomesHeart failure outcomesOutcomes of patientsProportion of facilitiesHeart failureNoncardiovascular diseasesLow prevalencePatient differencesMedicare dataPatientsHospitalFailure outcomesInfarctionOutcomesType of facility