2020
An instrument for assessing the quality of informed consent documents for elective procedures: development and testing
Spatz ES, Suter LG, George E, Perez M, Curry L, Desai V, Bao H, Geary LL, Herrin J, Lin Z, Bernheim SM, Krumholz HM. An instrument for assessing the quality of informed consent documents for elective procedures: development and testing. BMJ Open 2020, 10: e033297. PMID: 32434933, PMCID: PMC7247404, DOI: 10.1136/bmjopen-2019-033297.Peer-Reviewed Original Research
2019
Income disparities in needle biopsy patients prior to breast cancer surgery across physician peer groups
Killelea BK, Herrin J, Soulos PR, Pollack CE, Forman HP, Yu J, Xu X, Tannenbaum S, Wang SY, Gross CP. Income disparities in needle biopsy patients prior to breast cancer surgery across physician peer groups. Breast Cancer 2019, 27: 381-388. PMID: 31792804, PMCID: PMC7512133, DOI: 10.1007/s12282-019-01028-4.Peer-Reviewed Original ResearchConceptsPhysician peer groupsLow-income patientsNeedle biopsyOdds ratioHigh-income patientsBreast cancer surgeryMethodsThe SurveillanceCancer surgeryIncome patientsMedicare databaseBiopsy patientsMedicare beneficiariesPatientsBiopsyLow incomeGroupDisparitiesReceiptEnd resultHigher incomeSurgeryPeer groupEpidemiologyFurther workGroup-level effects
2018
An empiric approach to identifying physician peer groups from claims data: An example from breast cancer care
Herrin J, Soulos PR, Xu X, Gross CP, Pollack CE. An empiric approach to identifying physician peer groups from claims data: An example from breast cancer care. Health Services Research 2018, 54: 44-51. PMID: 30488484, PMCID: PMC6338298, DOI: 10.1111/1475-6773.13095.Peer-Reviewed Original ResearchConceptsPhysician peer groupsClaims dataEnd Results-MedicareBreast cancer careAdministrative claims dataHospital-based groupEmpiric approachCancer careBreast cancerHospital groupPatientsPatient volumePhysiciansEmpirical groupGroup reliabilityPhysician inclusionPercentGroupMedian overlapT1CancerPeer groupEpidemiologyPhysician peer group characteristics and timeliness of breast cancer surgery
Bachand J, Soulos PR, Herrin J, Pollack CE, Xu X, Ma X, Gross CP. Physician peer group characteristics and timeliness of breast cancer surgery. Breast Cancer Research And Treatment 2018, 170: 657-665. PMID: 29693229, PMCID: PMC6048589, DOI: 10.1007/s10549-018-4789-8.Peer-Reviewed Original ResearchConceptsPhysician peer groupsSurgical delayProvider densityPatient racial compositionBreast cancerEnd Results-Medicare dataBreast cancer patientsBreast cancer surgeryResultsThe study sampleConclusionsThe likelihoodBlack patientsCancer surgeryCancer patientsSurgeryPatientsStudy sampleWomenCancerAssociationGroupGroup characteristicsPurposeLittleInterdisciplinary groupPeer groupEpidemiology
2014
A reanalysis of cluster randomized trials showed interrupted time-series studies were valuable in health system evaluation
Fretheim A, Zhang F, Ross-Degnan D, Oxman AD, Cheyne H, Foy R, Goodacre S, Herrin J, Kerse N, McKinlay RJ, Wright A, Soumerai SB. A reanalysis of cluster randomized trials showed interrupted time-series studies were valuable in health system evaluation. Journal Of Clinical Epidemiology 2014, 68: 324-333. PMID: 25499983, DOI: 10.1016/j.jclinepi.2014.10.003.Peer-Reviewed Original ResearchConceptsC-RCTsControl groupInterrupted time series studyConfidence intervalsConcurrent control groupHealth system interventionsHealth system evaluationControl arm dataInterrupted time series designIntervention armRandomized trialsControl group dataTrial dataTime-series studyTime series designHealth systemStudy designEffect estimatesTrialsInterventionSystem interventionsArm dataGroup dataRCTsGroup
2011
Improvements in Door-to-Balloon Time in the United States, 2005 to 2010
Krumholz HM, Herrin J, Miller LE, Drye EE, Ling SM, Han LF, Rapp MT, Bradley EH, Nallamothu BK, Nsa W, Bratzler DW, Curtis JP. Improvements in Door-to-Balloon Time in the United States, 2005 to 2010. Circulation 2011, 124: 1038-1045. PMID: 21859971, PMCID: PMC3598634, DOI: 10.1161/circulationaha.111.044107.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionPercutaneous coronary interventionBalloon timeCoronary interventionMedian timeST-segment elevation myocardial infarctionHigher median timeCharacteristics of patientsPercentage of patientsTimeliness of treatmentYears of ageRegistry studyMyocardial infarctionInpatient measuresPatientsHospital groupMedicaid ServicesCalendar yearInterventionMinutesMedianGroupYearsPercentageInfarction
2007
A Hospital-Randomized Controlled Trial of an Educational Quality Improvement Intervention in Rural and Small Community Hospitals in Texas Following Implementation of Information Technology
Filardo G, Nicewander D, Hamilton C, Herrin J, Galimbretti P, Tietze M, McBride S, Gunderson J, Haydar Z, Williams J, Ballard DJ. A Hospital-Randomized Controlled Trial of an Educational Quality Improvement Intervention in Rural and Small Community Hospitals in Texas Following Implementation of Information Technology. American Journal Of Medical Quality 2007, 22: 418-427. PMID: 18006422, DOI: 10.1177/1062860607307995.Peer-Reviewed Original ResearchConceptsCongestive heart failureSmall community hospitalCommunity-acquired pneumoniaCommunity hospitalQuality improvement interventionsHeart failureControlled TrialsControl groupImprovement interventionsYears postinterventionHospitalTexas hospitalsBaseline rateComposite scoreFollowing ImplementationQI educationTrialsPoor qualityQuality improvementQuality benchmarkingReview toolPneumoniaGroupPostinterventionCohort