2022
Neighbourhood prevalence-to-notification ratios for adult bacteriologically-confirmed tuberculosis reveals hotspots of underdiagnosis in Blantyre, Malawi
Khundi M, Carpenter JR, Corbett EL, Feasey HRA, Soko RN, Nliwasa M, Twabi H, Chiume L, Burke RM, Horton KC, Dodd PJ, Cohen T, MacPherson P. Neighbourhood prevalence-to-notification ratios for adult bacteriologically-confirmed tuberculosis reveals hotspots of underdiagnosis in Blantyre, Malawi. PLOS ONE 2022, 17: e0268749. PMID: 35605004, PMCID: PMC9126376, DOI: 10.1371/journal.pone.0268749.Peer-Reviewed Original ResearchConceptsCase notification ratesPrevalence surveyNotification ratioNeighbourhood prevalenceTB case notification ratesXpert MTB/RIFCase-finding interventionsTrue disease burdenChest X-ray screeningTB prevalence surveyTB surveillance systemMTB/RIFDiagnosis of tuberculosisSputum smear microscopyTB clinicTB patientsRespiratory infectionsTB prevalenceDisease burdenNotification ratesSmear microscopyX-ray screeningTuberculosisPrevalenceUrban tuberculosis
2020
Smoking and HIV associated with subclinical tuberculosis: analysis of a population-based prevalence survey
Gunasekera K, Cohen T, Gao W, Ayles H, Godfrey-Faussett P, Claassens M. Smoking and HIV associated with subclinical tuberculosis: analysis of a population-based prevalence survey. The International Journal Of Tuberculosis And Lung Disease 2020, 24: 340-346. PMID: 32228765, DOI: 10.5588/ijtld.19.0387.Peer-Reviewed Original ResearchConceptsActive TBPrevalence surveyPopulation-based prevalence surveyCurrent tobacco smokingTypical symptomsHIV-positive statusTuberculosis prevalence surveyPrevalence survey dataSubclinical tuberculosisPositive TBCrude prevalenceTobacco smokingEpidemiological burdenPrevalent casesReduction TrialSubclinical TBMedical variablesSecondary analysisEstimate associationsSouth African communitySymptomsHIVSmokingTuberculosisDisease