2017
A Flow-Based Model of the HIV Care Continuum in the United States
Gonsalves GS, Paltiel AD, Cleary PD, Gill MJ, Kitahata MM, Rebeiro PF, Silverberg MJ, Horberg M, Abraham AG, Althoff KN, Moore R, Bosch RJ, Tang T, Hall HI, Kaplan EH. A Flow-Based Model of the HIV Care Continuum in the United States. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2017, 75: 548-553. PMID: 28471841, PMCID: PMC5533168, DOI: 10.1097/qai.0000000000001429.Peer-Reviewed Original ResearchConceptsViral suppressionAntiretroviral therapyHIV careNorth American AIDS Cohort CollaborationProportion of HIVHIV care continuumCohort CollaborationHIV diagnosisAntiretroviral treatmentVirological dataCare continuumFlow of patientsDisease controlPatientsCareAverage timeHIVTherapyLaboratory resultsMonthsSuppressionYearsDiagnosisIndividualsPrevention
2009
Associations Between Organizational Characteristics and Quality Improvement Activities of Clinics Participating in a Quality Improvement Collaborative
Deo S, McInnes K, Corbett CJ, Landon BE, Shapiro MF, Wilson IB, Cleary PD. Associations Between Organizational Characteristics and Quality Improvement Activities of Clinics Participating in a Quality Improvement Collaborative. Medical Care 2009, 47: 1026-1030. PMID: 19704356, PMCID: PMC3748716, DOI: 10.1097/mlr.0b013e31819a5937.Peer-Reviewed Original ResearchConceptsQuality improvement collaborativesPercent of interventionsClinic characteristicsIntervention activitiesPrimary care clinicsCross-sectional studyRyan White CARE ActSurvey of cliniciansQuality Improvement CollaborativeQuality of careNumber of interventionsQuality improvement activitiesHIV careCare clinicsMultidisciplinary teamClinicMore interventionsHealth care organizationsImprovement activitiesCare ActInterventionImprovement collaborativesCare organizationsIntervention choicesMonths
2007
Correlations among measures of quality in HIV care in the United States: cross sectional study
Wilson IB, Landon BE, Marsden PV, Hirschhorn LR, McInnes K, Ding L, Cleary PD. Correlations among measures of quality in HIV care in the United States: cross sectional study. The BMJ 2007, 335: 1085. PMID: 17967826, PMCID: PMC2094195, DOI: 10.1136/bmj.39364.520278.55.Peer-Reviewed Original ResearchThe Effect of Care Team Composition on the Quality of HIV Care
Rodriguez HP, Marsden PV, Landon BE, Wilson IB, Cleary PD. The Effect of Care Team Composition on the Quality of HIV Care. Medical Care Research And Review 2007, 65: 88-113. PMID: 18184871, DOI: 10.1177/1077558707310258.Peer-Reviewed Original ResearchConceptsMultiple cliniciansCare team compositionHIV carePneumocystis carinii pneumonia prophylaxisServices Utilization StudyHigh-quality careConsistent prescribingPhysician continuityPneumonia prophylaxisHIV CostCare coordinationCare teamMultiple physiciansMore cliniciansUtilization studiesCliniciansCare qualityCareInappropriate useEmergency servicesProphylaxisPrescribingPatientsPhysiciansThe Impact of a Quality Improvement Program on Systems, Processes, and Structures in Medical Clinics
McInnes DK, Landon BE, Wilson IB, Hirschhorn LR, Marsden PV, Malitz F, Barini-Garcia M, Cleary PD. The Impact of a Quality Improvement Program on Systems, Processes, and Structures in Medical Clinics. Medical Care 2007, 45: 463-471. PMID: 17446833, DOI: 10.1097/01.mlr.0000256965.94471.c2.Peer-Reviewed Original ResearchConceptsIntervention clinicsHuman immunodeficiency virus clinicHigher post-intervention scoresQuality Improvement ProgramPost-intervention scoresHIV careHIV clinicSurvey response rateIntervention cliniciansControl clinicsClinic structureResponse rateCare processesClinicMedical clinicsIntensive interventionMedical directorsQuality improvement techniquesCliniciansQuality improvementE-mail listsInterventionImprovement programs
2006
Gender differences in quality of HIV care in Ryan White CARE Act-funded clinics
Hirschhorn LR, McInnes K, Landon BE, Wilson IB, Ding L, Marsden PV, Malitz F, Cleary PD. Gender differences in quality of HIV care in Ryan White CARE Act-funded clinics. Women's Health Issues 2006, 16: 104-112. PMID: 16765286, DOI: 10.1016/j.whi.2006.02.004.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAIDS-Related Opportunistic InfectionsAmbulatory CareAntiretroviral Therapy, Highly ActiveCohort StudiesConfidence IntervalsFemaleHealth Services AccessibilityHealth Services ResearchHumansMaleMedical RecordsMiddle AgedOdds RatioQuality Assurance, Health CareWomen's HealthConceptsRyan White CARE ActPCP prophylaxisHIV careCare ActActive antiretroviral therapy (HAART) useHepatitis C virus statusHIV primary care clinicPneumocystis jiroveci pneumonia prophylaxisC virus statusAntiretroviral therapy useHIV viral suppressionPrimary care clinicsQuality improvement studyDisease prevention effortsQuality of carePneumonia prophylaxisViral suppressionHIV infectionTherapy useCare clinicsClinic characteristicsRecord reviewPap smearVirus statusOutcome measures
2005
The Reliability of Survey Assessments of Characteristics of Medical Clinics
Marsden PV, Landon BE, Wilson IB, McInnes K, Hirschhorn LR, Ding L, Cleary PD. The Reliability of Survey Assessments of Characteristics of Medical Clinics. Health Services Research 2005, 41: 265-283. PMID: 16430611, PMCID: PMC1681534, DOI: 10.1111/j.1475-6773.2005.00480.x.Peer-Reviewed Original ResearchConceptsHIV careHigh-quality HIV careMedical clinicsRyan White CARE ActSurvey of cliniciansQuality improvement initiativesCross-sectional surveyQuality improvement activitiesClinic assessmentMultiple informantsMedical directorsPsychometric performanceClinicImprovement initiativesCare ActCareHierarchical regression modelsCliniciansSubstantial itemRegression modelsReliability of measuresSurvey assessmentAdequate reliabilitySurvey itemsMost measuresQuality of HIV care provided by nurse practitioners, physician assistants, and physicians.
Wilson IB, Landon BE, Hirschhorn LR, McInnes K, Ding L, Marsden PV, Cleary PD. Quality of HIV care provided by nurse practitioners, physician assistants, and physicians. Annals Of Internal Medicine 2005, 143: 729-36. PMID: 16287794, DOI: 10.7326/0003-4819-143-10-200511150-00010.Peer-Reviewed Original ResearchConceptsInfectious disease specialistsNurse practitionersHIV expertsQuality of carePhysician assistantsHIV careDisease specialistsHIV care sitesProtein derivative testingMedical record reviewPrimary care providersHigh-quality careCross-sectional analysisHIV expertisePatient characteristicsRecord reviewCare measuresPapanicolaou smearsComplex clinical processesMedical recordsAdjusted ratesCare sitesCare providersHIVCarePhysician Specialization and the Quality of Care for Human Immunodeficiency Virus Infection
Landon BE, Wilson IB, McInnes K, Landrum MB, Hirschhorn LR, Marsden PV, Cleary PD. Physician Specialization and the Quality of Care for Human Immunodeficiency Virus Infection. JAMA Internal Medicine 2005, 165: 1133-1139. PMID: 15911726, DOI: 10.1001/archinte.165.10.1133.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntiretroviral Therapy, Highly ActiveClinical CompetenceEducation, ContinuingFamily PracticeFemaleHealth Knowledge, Attitudes, PracticeHIV InfectionsHumansMalePrimary Health CareQuality Assurance, Health CareReferral and ConsultationRegression AnalysisRetrospective StudiesUnited StatesConceptsHuman immunodeficiency virus (HIV) infectionActive antiretroviral therapyImmunodeficiency virus infectionInfectious disease physiciansAppropriate patientsQuality of careAntiretroviral therapyHIV careDisease physiciansCare measuresVirus infectionComplex chronic medical conditionsGeneral medicine physiciansObservational cohort studyInfectious disease specialistsMedical record reviewChronic medical conditionsComplex chronic illnessExpert generalistsTypes of physiciansHierarchical logistic regression modelsLow-quality careHigh-quality careLogistic regression modelsHIV physiciansA national study of the relationship of care site HIV specialization to early adoption of highly active antiretroviral therapy.
Wilson IB, Landon BE, Ding L, Zaslavsky AM, Shapiro MF, Bozzette SA, Cleary PD. A national study of the relationship of care site HIV specialization to early adoption of highly active antiretroviral therapy. Medical Care 2005, 43: 12-20. PMID: 15626929.Peer-Reviewed Original ResearchConceptsActive antiretroviral therapyHIV careRate of exposureHIV expertiseAntiretroviral therapyInfectious disease specialistsServices Utilization StudyTotal patient volumeSite of careCross-sectional analysisHIV physiciansHAART useHIV CostHIV infectionDisease specialistsPhysician effectOutpatient careLow-volume sitesMultivariable modelAdjusted ratesHAARTPatientsUtilization studiesPatient volumeMedical directors
2004
Differences in patient and clinic characteristics at CARE Act funded versus non-CARE Act funded HIV clinics
Mcinnes K, Landon B, Malitz F, Wilson I, Marsden P, Fleishman J, Gustafson D, Cleary P. Differences in patient and clinic characteristics at CARE Act funded versus non-CARE Act funded HIV clinics. AIDS Care 2004, 16: 851-857. PMID: 15385240, DOI: 10.1080/09540120412331290202.Peer-Reviewed Original ResearchConceptsHIV clinicHIV careCare ActHIV risk factorsInfectious disease specialistsServices Utilization StudyRyan White CARE ActHIV patientsHIV CostTotal patientsHIV infectionClinic characteristicsDisease specialistsHeterosexual contactRisk factorsComprehensive careClinic dataPatientsUtilization studiesClinicPatient dataCareMore support servicesNon-probability sampleRepresentative sample
2003
Physician Specialization and Antiretroviral Therapy for HIV
Landon BE, Wilson IB, Cohn SE, Fichtenbaum CJ, Wong MD, Wenger NS, Bozzette SA, Shapiro MF, Cleary PD. Physician Specialization and Antiretroviral Therapy for HIV. Journal Of General Internal Medicine 2003, 18: 233-241. PMID: 12709089, PMCID: PMC1494839, DOI: 10.1046/j.1525-1497.2003.20705.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntiretroviral Therapy, Highly ActiveClinical CompetenceCohort StudiesEducation, MedicalFemaleHIV InfectionsHumansMaleMedicineMiddle AgedMultivariate AnalysisPractice Patterns, Physicians'Primary Health CareQuality Assurance, Health CareReferral and ConsultationSpecializationSurveys and QuestionnairesTime FactorsUnited StatesConceptsGeneral medicine physiciansCare of HIVLow-volume physiciansFirst protease inhibitorHAART therapyHIV infectionMedicine physiciansAntiretroviral therapyHAART useID physiciansInfectious diseasesActive antiretroviral therapyObservational cohort studyServices Utilization StudyHigh-volume physiciansExpert generalistsMajority of physiciansTypes of physiciansProtease inhibitorsTreatment of personsHIV caseloadHIV careCohort studyHIV CostHIV disease
2002
Specialty Training and Specialization Among Physicians Who Treat HIV/AIDS in the United States
Landon BE, Wilson IB, Wenger NS, Cohn SE, Fichtenbaum CJ, Bozzette SA, Shapiro MF, Cleary PD. Specialty Training and Specialization Among Physicians Who Treat HIV/AIDS in the United States. Journal Of General Internal Medicine 2002, 17: 12-22. PMID: 11903771, PMCID: PMC1495004, DOI: 10.1046/j.1525-1497.2002.10401.x.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAdultClinical CompetenceCross-Sectional StudiesEducation, Medical, ContinuingFemaleHealth Knowledge, Attitudes, PracticeHIV InfectionsHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisPractice Patterns, Physicians'Quality Assurance, Health CareReferral and ConsultationSurveys and QuestionnairesUnited StatesConceptsHIV caseloadReferral patternsReferral practicesSpecialty trainingGeneralist physiciansServices Utilization StudyID ExpertEffect of specialtyCross-sectional surveyHigher knowledge scoresHIV/AIDSInfectious disease trainingHIV careHIV CostHIV diseaseID physiciansEligible physiciansHIV expertsMultivariable modelPhysician reportsMedian caseloadDiseases TrainingClinical experienceUtilization studiesKnowledge score