2019
Attrition of HIV-positive children from HIV services in low and middle-income countries.
Carlucci JG, Liu Y, Clouse K, Vermund SH. Attrition of HIV-positive children from HIV services in low and middle-income countries. AIDS 2019, 33: 2375-2386. PMID: 31764102, PMCID: PMC6905128, DOI: 10.1097/qad.0000000000002366.Peer-Reviewed Original ResearchConceptsHIV-positive childrenHIV servicesAntiretroviral therapyMiddle-income countriesEarly ART initiationPatient support servicesOptimal health outcomesMeta-regression analysisART initiationLTFU definitionStudy eligibilityMagnitude of attritionEligibility criteriaHealth outcomesSystematic reviewRandom-effects meta-analytic methodsOverall attritionMeta-analytic methodsMultidatabase searchData extractionVulnerable populationsImplementation researchMonthsMost attritionLTFU
2017
Mobility and Clinic Switching Among Postpartum Women Considered Lost to HIV Care in South Africa
Clouse K, Vermund SH, Maskew M, Lurie MN, MacLeod W, Malete G, Carmona S, Sherman G, Fox MP. Mobility and Clinic Switching Among Postpartum Women Considered Lost to HIV Care in South Africa. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2017, 74: 383-389. PMID: 28225717, PMCID: PMC5324708, DOI: 10.1097/qai.0000000000001284.Peer-Reviewed Original ResearchConceptsHIV careNational Health Laboratory Service databaseLow CD4 cell countsNational Antiretroviral Therapy ProgramCD4 cell countObservational cohort studyAntiretroviral therapy programsAntiretroviral therapyCohort studyPostpartum womenPublic clinicsService databaseCell countTherapy programCareWomenLTFUClinicOne-thirdDaysPatientsPregnancyTherapy
2015
Pregnant women with HIV in rural Nigeria have higher rates of antiretroviral treatment initiation, but similar loss to follow-up as non-pregnant women and men
Aliyu MH, Blevins M, Megazzini KM, Parrish DD, Audet CM, Chan N, Odoh C, Gebi UI, Muhammad MY, Shepherd BE, Wester CW, Vermund SH. Pregnant women with HIV in rural Nigeria have higher rates of antiretroviral treatment initiation, but similar loss to follow-up as non-pregnant women and men. International Health 2015, 7: 405-411. PMID: 26012740, PMCID: PMC4654753, DOI: 10.1093/inthealth/ihv032.Peer-Reviewed Original ResearchConceptsNon-pregnant womenPregnant womenPregnancy statusCumulative incidenceART-naïve patientsEarly ART initiationPost-ART initiationAntiretroviral therapy initiationDays of enrollmentART-naïve HIVAntiretroviral treatment initiationRural NigeriaART initiationHigher CD4Therapy initiationTreatment initiationClinical stageCox regressionPatient groupPregnant clientsHIVLTFUWomenHigh rateSex
2014
Two-Year Death and Loss to Follow-Up Outcomes by Source of Referral to HIV Care for HIV-Infected Patients Initiating Antiretroviral Therapy in Rural Mozambique
Blevins M, José E, Bilhete FR, Vaz LM, Shepherd BE, Audet CM, Vermund SH, Moon TD. Two-Year Death and Loss to Follow-Up Outcomes by Source of Referral to HIV Care for HIV-Infected Patients Initiating Antiretroviral Therapy in Rural Mozambique. AIDS Research And Human Retroviruses 2014, 31: 198-207. PMID: 25381732, PMCID: PMC4532902, DOI: 10.1089/aid.2014.0007.Peer-Reviewed Original ResearchConceptsSource of referralCombination antiretroviral therapyRural Zambézia ProvinceReferral sitesAntiretroviral therapyAntenatal careGeneral outpatient clinicCumulative incidence estimatesAdditional unmeasured factorsCART initiationHIV careHazard ratioPatient characteristicsHIV testingMedian ageVoluntary counselingCox regressionOutpatient clinicKaplan-MeierPatient populationMedication pickupPatient outcomesInpatient careLTFUIncidence estimates
2010
An Empirical Approach to Defining Loss to Follow-up Among Patients Enrolled in Antiretroviral Treatment Programs
Chi BH, Cantrell RA, Mwango A, Westfall AO, Mutale W, Limbada M, Mulenga LB, Vermund SH, Stringer JS. An Empirical Approach to Defining Loss to Follow-up Among Patients Enrolled in Antiretroviral Treatment Programs. American Journal Of Epidemiology 2010, 171: 924-931. PMID: 20219765, PMCID: PMC2850972, DOI: 10.1093/aje/kwq008.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyHIV-infected adultsAntiretroviral treatment programLTFU definitionTreatment cohortsPatient attritionLast appointmentPatient lossCohort membersLTFUConsensus criteriaTreatment programPatientsOne-thirdMore reliable comparisonsDaysAppointmentsTherapyCohortCliniciansMisclassificationMarginal differencesVisitsCare