2023
Metformin prescription for U.S. veterans with prediabetes, 2010–2019
Gulanski B, Goulet J, Radhakrishnan K, Ko J, Li Y, Rajeevan N, Lee K, Heberer K, Lynch J, Streja E, Mutalik P, Cheung K, Concato J, Shih M, Lee J, Aslan M. Metformin prescription for U.S. veterans with prediabetes, 2010–2019. Journal Of Investigative Medicine 2023, 72: 139-150. PMID: 37668313, DOI: 10.1177/10815589231201141.Peer-Reviewed Original ResearchConceptsBody mass indexVeterans Health AdministrationIncident prediabetesHigh riskHealth AdministrationRetrospective observational cohort studyType 2 diabetes mellitusUse of metforminObservational cohort studyProportion of veteransMetformin prescribingGestational diabetesCohort studyMetformin prescriptionDiabetes mellitusDiabetes preventionMass indexCardiovascular diseaseMultivariable modelPrediabetesSubset of individualsMetforminU.S. veteransHealthcare systemVeterans
2006
The Effectiveness of Screening for Prostate Cancer: A Nested Case-Control Study
Concato J, Wells CK, Horwitz RI, Penson D, Fincke G, Berlowitz DR, Froehlich G, Blake D, Vickers MA, Gehr GA, Raheb NH, Sullivan G, Peduzzi P. The Effectiveness of Screening for Prostate Cancer: A Nested Case-Control Study. JAMA Internal Medicine 2006, 166: 38-43. PMID: 16401808, DOI: 10.1001/archinte.166.1.38.Peer-Reviewed Original ResearchConceptsDigital rectal examinationCase-control studyCause-specific mortalityCase patientsProstate cancerControl patientsNested Case-Control StudyProstate-specific antigen (PSA) testVeterans Affairs Medical CenterAssociation of screeningBenefits of screeningEffectiveness of screeningVeterans Affairs facilitiesVerbal informed consentEffectiveness of PSADRE screeningCause mortalityPSA testingSurvival benefitRectal examinationAntigen testMedical CenterAmbulatory carePatientsClinical practice
2005
Predicting which patients can resume oral nutrition after percutaneous endoscopic gastrostomy tube placement
Naik A, Abraham N, Roche V, Concato J. Predicting which patients can resume oral nutrition after percutaneous endoscopic gastrostomy tube placement. Alimentary Pharmacology & Therapeutics 2005, 21: 1155-1161. PMID: 15854179, DOI: 10.1111/j.1365-2036.2005.02464.x.Peer-Reviewed Original ResearchConceptsPercutaneous endoscopic gastrostomy placementEndoscopic gastrostomy placementOral nutritionGastrostomy placementTube removalNeck cancerLocalized headPercutaneous endoscopic gastrostomy (PEG) tube placementPercutaneous endoscopic gastrostomy removalBivariate analysisClinical goalsEndoscopic gastrostomy tube placementPercutaneous endoscopic gastrostomy tubeTemporary nutritional supportBaseline clinical characteristicsObservational cohort studyPotential clinical predictorsGastrostomy tube placementProportional hazards modelVariety of indicationsGastrostomy removalClinical characteristicsOlder patientsSerum creatinineClinical predictors
2003
Hyperglycaemia in patients with acute ischaemic stroke: how often do we screen for undiagnosed diabetes?
Bravata D, Kim N, Concato J, Brass L. Hyperglycaemia in patients with acute ischaemic stroke: how often do we screen for undiagnosed diabetes? QJM 2003, 96: 491-497. PMID: 12881591, DOI: 10.1093/qjmed/hcg087.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeStroke patientsIschemic strokeUndiagnosed diabetesAcute ischemic stroke patientsOral glucose tolerance testingRetrospective medical record reviewPrevalence of hyperglycaemiaAcute stroke patientsAssociation of diabetesIschemic stroke patientsAcute stroke eventsGlucose tolerance testingMedical record reviewModifiable conditionsDiabetes mellitusHemoglobin A1cHyperglycaemic patientsStroke eventsPrior diagnosisRecord reviewPrevious diagnosisClinicians screenConnecticut hospitalsTolerance testing
2002
The Health–Related Effects of Alcohol Use in Older Persons: A Systematic Review
Reid M, Boutros N, O'Connor P, Cadariu A, Concato J. The Health–Related Effects of Alcohol Use in Older Persons: A Systematic Review. Substance Abuse 2002, 23: 149-164. PMID: 12444348, DOI: 10.1080/08897070209511485.Peer-Reviewed Original ResearchConceptsCause mortalityCognitive impairmentExposure statusFunctional disabilityAlcohol useOlder adultsFunctional impairmentMiddle-aged adult populationParticipants 60 yearsYears of ageEnglish-language studiesExposure-outcome associationsImportant confounding factorsHealth-related effectsEffects of alcoholMagnitude of riskCohort studySubstantial morbidityPercentage of studiesFormer drinkersProspective studyMean ageAlcohol exposureMethodologic qualityOutcome measures
2001
Preference for disclosure of information among patients with rheumatoid arthritis
Fraenkel L, Bogardus S, Concato J, Felson D. Preference for disclosure of information among patients with rheumatoid arthritis. Arthritis & Rheumatism 2001, 45: 136-139. PMID: 11324776, DOI: 10.1002/1529-0131(200104)45:2<136::aid-anr165>3.0.co;2-p.Peer-Reviewed Original ResearchConceptsRheumatoid arthritisRA patientsSex-specific analysesSex-specific correlatesInformation preferencesPatient characteristicsTherapeutic optionsFemale sexSide effectsPatientsBivariate analysisHigher education levelCurrent employmentArthritisMean scoreEducation levelAlternative optionRiskFull disclosureOptionsMultiple linear regressionLinear regressionStepwise multiple linear regressionMedicationsRheumatologists
2000
Beyond Diagnosis: Patient Mix and Challenges to Patient Care in Ambulatory Training Sites
Fiellin D, Concato J. Beyond Diagnosis: Patient Mix and Challenges to Patient Care in Ambulatory Training Sites. The American Journal Of The Medical Sciences 2000, 319: 106. PMID: 10698095, DOI: 10.1097/00000441-200002000-00007.Peer-Reviewed Original ResearchConceptsPrimary care centersAmbulatory training sitesPatient mixPatient-physician communicationVA Medical CenterCommon medical diagnosesInternal medicine residentsVA subjectsComorbidity scoreCare centerMedical CenterHealth statusPatient carePatient spectrumAmbulatory trainingPatientsMedicine residentsDiagnosisGroup practiceAmbulatory medicineCareTraining sitesMedical decisionsVA
1998
Physician Awareness of Alcohol Use Disorders Among Older Patients
Reid M, Tinetti M, Brown C, Concato J. Physician Awareness of Alcohol Use Disorders Among Older Patients. Journal Of General Internal Medicine 1998, 13: 729-734. PMID: 9824517, PMCID: PMC1497030, DOI: 10.1046/j.1525-1497.1998.00223.x.Peer-Reviewed Original ResearchConceptsAlcohol use disorderOlder patientsPrimary care physiciansInternal medicine physiciansCare physiciansPhysician awarenessMedicine physiciansUse disordersPrevalence estimatesPrimary care physicians' awarenessAnnual screening ratesQuantity-frequency questionsCross-sectional telephone surveyFamily practice physiciansGroup of physiciansCAGE questionsScreening ratesRegular screeningMiddle-aged physiciansPrevalence ratesPractice physiciansPhysician educationPatientsOlder physiciansBiochemical markersPrognostic Staging System for Recurrent, Persistent, and Second Primary Cancers of the Oral Cavity and Oropharynx
Yueh B, Feinstein A, Weaver E, Sasaki C, Concato J. Prognostic Staging System for Recurrent, Persistent, and Second Primary Cancers of the Oral Cavity and Oropharynx. JAMA Otolaryngology - Head & Neck Surgery 1998, 124: 975-981. PMID: 9738805, DOI: 10.1001/archotol.124.9.975.Peer-Reviewed Original ResearchConceptsStaging systemOral cavityRecurrent tumorsTNM stageWeight lossMajor prognostic importanceOne-year mortalityMortality of patientsSecond primary cancerSecond primary tumorsEvidence of recurrentPrognostic staging systemMedian survival timeSquamous cell tumorsAcademic medical centerComposite staging systemPractical staging systemTNM statusInception cohortMultivariable analysisOropharyngeal mucosaPrimary cancerRecurrent headMuscle invasionPrognostic importance
1997
What Is a Screening Test?; SGIM Headquarters Change of Address
Concato J. What Is a Screening Test?; SGIM Headquarters Change of Address. Journal Of General Internal Medicine 1997, 12: 607-612. PMID: 9346456, PMCID: PMC1497171, DOI: 10.1046/j.1525-1497.1997.07120.x.Peer-Reviewed Original ResearchConceptsDigital rectal examinationCase-control studyOdds ratioObservational studyClinical distinctionCase controlWest Haven Veterans Affairs Medical CenterVeterans Affairs Medical CenterFrequency of screeningProportion of subjectsPrevalence of cancerDiagnosis of cancerPatient's symptomsRectal examinationProstate cancerMedical CenterCase subjectsScreening testCancerScreeningSubjectsSymptomsPrevalenceDiagnosisStudyAsking Patients What They Like: Overlooked Attributes of Patient Satisfaction with Primary Care
Concato J, Feinstein A. Asking Patients What They Like: Overlooked Attributes of Patient Satisfaction with Primary Care. The American Journal Of Medicine 1997, 102: 399-406. PMID: 9217623, DOI: 10.1016/s0002-9343(97)00092-2.Peer-Reviewed Original ResearchConceptsPatient satisfactionVeterans Affairs Medical CenterPrimary care clinicsPrimary health careHealth care servicesClinic visitsCare clinicsSame clinicOpen-ended questionsPrimary careClinimetric methodsMedical CenterPatientsCare servicesPhysician staffNonphysician staffClinicHealth careCareFace validityPsychometric instrumentsResponseSatisfactionCliniciansStaff
1996
Importance of cerebrovascular disease in studies of myocardial infarction.
Brass L, Hartigan P, Page W, Concato J. Importance of cerebrovascular disease in studies of myocardial infarction. Stroke 1996, 27: 1173-6. PMID: 8685923.Peer-Reviewed Original ResearchConceptsRate of strokeIschemic heart diseaseMyocardial infarctionHeart diseaseMonozygotic twinsManifestations of atherosclerosisWhite male veteransTwin pairsComplete responseTherapeutic trialsCerebrovascular diseaseHigh riskPrognostic studiesClinical investigationInfarctionMale veteransStrokeTwin RegistryStrong associationDiseaseOverall rateAtherosclerosisPatientsRegistryEnvironmental factorsFactors associated with successful implantation of nonthoracotomy defibrillation lead systems
Schwartzman D, Concato J, Ren J, Callans D, Gottlieb C, Preminger M, Marchlinski F. Factors associated with successful implantation of nonthoracotomy defibrillation lead systems. American Heart Journal 1996, 131: 1127-1136. PMID: 8644591, DOI: 10.1016/s0002-8703(96)90087-3.Peer-Reviewed Original ResearchConceptsNonthoracotomy defibrillation lead systemsDefibrillation lead systemsClinical factorsDefibrillation thresholdImplantation failureBiphasic shock waveformLead-related factorsShock waveformHigh defibrillation thresholdMonophasic shock waveformsLower defibrillation thresholdLead systemMonophasic groupConsecutive patientsBiphasic groupIncidence of successEndovascular SystemPatientsSuccessful implantationIncidenceImplantationFailureFactorsGroup
1995
Sex differences in the management of patients hospitalized with ischemic cerebrovascular disease.
Patrick S, Concato J, Viscoli C, Chyatte D, Brass L. Sex differences in the management of patients hospitalized with ischemic cerebrovascular disease. Stroke 1995, 26: 577-80. PMID: 7709400, DOI: 10.1161/01.str.26.4.577.Peer-Reviewed Original ResearchConceptsAge-adjusted odds ratioIschemic cerebrovascular diseaseArtery diseaseCerebrovascular diseaseOdds ratioCoronary artery diseaseManagement of patientsCarotid artery diseaseUse of angiographyAge-adjusted ratesSex differencesCerebral angiographyCarotid diseaseMale patientsCarotid endarterectomyConnecticut hospitalsEndarterectomyDisease typePatientsAngiographyDiseaseWomenMenBiological differencesSex
1992
Problems of Comorbidity in Mortality After Prostatectomy
Concato J, Horwitz R, Feinstein A, Elmore J, Schiff S. Problems of Comorbidity in Mortality After Prostatectomy. JAMA 1992, 267: 1077-1082. PMID: 1370963, DOI: 10.1001/jama.1992.03480080047025.Peer-Reviewed Original ResearchConceptsBenign prostatic hyperplasiaLong-term mortalityTime of surgeryTreatment of BPHOpen prostatectomyTURP groupOpen groupHigher long-term mortalityYale-New Haven HospitalClassifications of comorbidityRetrospective cohort studyFive-year mortalityAssessment of comorbiditiesSeverity of illnessProblem of comorbidityAdjusted riskComorbid illnessesCohort studyTransurethral resectionProstatic hyperplasiaPatient outcomesMortality ratePatientsProstatectomyHigh mortality
1990
Severity of comorbidity, not type of surgery, affects outcome of prostatectomy.
Concato J, Elmore J, Horwitz R, Schiff S, Feinstein A. Severity of comorbidity, not type of surgery, affects outcome of prostatectomy. Proceedings Of The Association Of American Physicians 1990, 103: 90-5. PMID: 1721468.Peer-Reviewed Original Research