Measuring mortality due to HIV-associated tuberculosis among adults in South Africa: Comparing verbal autopsy, minimally-invasive autopsy, and research data
Publication Date
March 23, 2017
Authors
Aaron S. Karat, Mpho Tlali, Katherine L. Fielding, Salome Charalambous, et al
Volume
12
Issue
3
Pages
e0174097
DOI
https://dx.plos.org/10.1371/journal.pone.0174097
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0174097
Scopus
85016138881
Mendeley
http://www.mendeley.com/research/measuring-mortality-due-hivassociated-tuberculosis-among-adults-south-africa-comparing-verbal-autops
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Mendeley | Further Information

{"title"=>"Measuring mortality due to HIV-associated tuberculosis among adults in South Africa: Comparing verbal autopsy, minimally-invasive autopsy, and research data", "type"=>"journal", "authors"=>[{"first_name"=>"Aaron S.", "last_name"=>"Karat", "scopus_author_id"=>"57191877984"}, {"first_name"=>"Mpho", "last_name"=>"Tlali", "scopus_author_id"=>"15063368800"}, {"first_name"=>"Katherine L.", "last_name"=>"Fielding", "scopus_author_id"=>"35493200400"}, {"first_name"=>"Salome", "last_name"=>"Charalambous", "scopus_author_id"=>"7003388014"}, {"first_name"=>"Violet N.", "last_name"=>"Chihota", "scopus_author_id"=>"6507647180"}, {"first_name"=>"Gavin J.", "last_name"=>"Churchyard", "scopus_author_id"=>"7004276892"}, {"first_name"=>"Yasmeen", "last_name"=>"Hanifa", "scopus_author_id"=>"23008560800"}, {"first_name"=>"Suzanne", "last_name"=>"Johnson", "scopus_author_id"=>"56587202900"}, {"first_name"=>"Kerrigan", "last_name"=>"McCarthy", "scopus_author_id"=>"7201726122"}, {"first_name"=>"Neil A.", "last_name"=>"Martinson", "scopus_author_id"=>"13907655800"}, {"first_name"=>"Tanvier", "last_name"=>"Omar", "scopus_author_id"=>"15081328700"}, {"first_name"=>"Kathleen", "last_name"=>"Kahn", "scopus_author_id"=>"35452627500"}, {"first_name"=>"Daniel", "last_name"=>"Chandramohan", "scopus_author_id"=>"7003426215"}, {"first_name"=>"Alison D.", "last_name"=>"Grant", "scopus_author_id"=>"7402445866"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "isbn"=>"1111111111", "pmid"=>"28334030", "scopus"=>"2-s2.0-85016138881", "doi"=>"10.1371/journal.pone.0174097", "sgr"=>"85016138881", "pui"=>"614970116"}, "id"=>"5697c5fa-f611-31f5-bb69-84c36d4351b4", "abstract"=>"BACKGROUND The World Health Organization (WHO) aims to reduce tuberculosis (TB) deaths by 95% by 2035; tracking progress requires accurate measurement of TB mortality. International Classification of Diseases (ICD) codes do not differentiate between HIV-associated TB and HIV more generally. Verbal autopsy (VA) is used to estimate cause of death (CoD) patterns but has mostly been validated against a suboptimal gold standard for HIV and TB. This study, conducted among HIV-positive adults, aimed to estimate the accuracy of VA in ascertaining TB and HIV CoD when compared to a reference standard derived from a variety of clinical sources including, in some, minimally-invasive autopsy (MIA). METHODS AND FINDINGS Decedents were enrolled into a trial of empirical TB treatment or a cohort exploring diagnostic algorithms for TB in South Africa. The WHO 2012 instrument was used; VA CoD were assigned using physician-certified VA (PCVA), InterVA-4, and SmartVA-Analyze. Reference CoD were assigned using MIA, research, and health facility data, as available. 259 VAs were completed: 147 (57%) decedents were female; median age was 39 (interquartile range [IQR] 33-47) years and CD4 count 51 (IQR 22-102) cells/μL. Compared to reference CoD that included MIA (n = 34), VA underestimated mortality due to HIV/AIDS (94% reference, 74% PCVA, 47% InterVA-4, and 41% SmartVA-Analyze; chance-corrected concordance [CCC] 0.71, 0.42, and 0.31, respectively) and HIV-associated TB (41% reference, 32% PCVA; CCC 0.23). For individual decedents, all VA methods agreed poorly with reference CoD that did not include MIA (n = 259; overall CCC 0.14, 0.06, and 0.15 for PCVA, InterVA-4, and SmartVA-Analyze); agreement was better at population level (cause-specific mortality fraction accuracy 0.78, 0.61, and 0.57, for the three methods, respectively). CONCLUSIONS Current VA methods underestimate mortality due to HIV-associated TB. ICD and VA methods need modifications that allow for more specific evaluation of HIV-related deaths and direct estimation of mortality due to HIV-associated TB.", "link"=>"http://www.mendeley.com/research/measuring-mortality-due-hivassociated-tuberculosis-among-adults-south-africa-comparing-verbal-autops", "reader_count"=>23, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Researcher"=>7, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>3, "Student > Master"=>4, "Student > Bachelor"=>5}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Researcher"=>7, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>3, "Student > Master"=>4, "Student > Bachelor"=>5}, "reader_count_by_subject_area"=>{"Unspecified"=>3, "Medicine and Dentistry"=>12, "Agricultural and Biological Sciences"=>2, "Arts and Humanities"=>1, "Pharmacology, Toxicology and Pharmaceutical Science"=>1, "Physics and Astronomy"=>1, "Social Sciences"=>3}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>12}, "Social Sciences"=>{"Social Sciences"=>3}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Unspecified"=>{"Unspecified"=>3}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "Arts and Humanities"=>{"Arts and Humanities"=>1}}, "reader_count_by_country"=>{"Colombia"=>1}, "group_count"=>0}

Scopus | Further Information

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