{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,3]],"date-time":"2026-11-03T08:31:33Z","timestamp":1793694693459,"version":"4.5.1"},"reference-count":21,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T00:00:00Z","timestamp":1716768000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T00:00:00Z","timestamp":1716768000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"National Institute of Health, United States","award":["R01AI146555"],"award-info":[{"award-number":["R01AI146555"]}]},{"name":"National Institute of Health, United States","award":["R01AI146555"],"award-info":[{"award-number":["R01AI146555"]}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Infect Dis"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Tuberculosis (TB) causes over 1\u00a0million deaths annually. Providing effective treatment is a key strategy for reducing TB deaths. In this study, we identified factors associated with unsuccessful treatment outcomes among individuals treated for TB in Brazil.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We obtained data on individuals treated for TB between 2015 and 2018 from Brazil\u2019s National Disease Notification System (SINAN). We excluded patients with a history of prior TB disease or with diagnosed TB drug resistance. We extracted information on patient-level factors potentially associated with unsuccessful treatment, including demographic and social factors, comorbid health conditions, health-related behaviors, health system level at which care was provided, use of directly observed therapy (DOT), and clinical examination results. We categorized treatment outcomes as successful (cure, completed) or unsuccessful (death, regimen failure, loss to follow-up). We fit multivariate logistic regression models to identify factors associated with unsuccessful treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Among 259,484 individuals treated for drug susceptible TB, 19.7% experienced an unsuccessful treatment outcome (death during treatment 7.8%, regimen failure 0.1%, loss to follow-up 11.9%). The odds of unsuccessful treatment were higher with older age (adjusted odds ratio (aOR) 2.90 [95% confidence interval: 2.62\u20133.21] for 85-100-year-olds vs. 25-34-year-olds), male sex (aOR 1.28 [1.25\u20131.32], vs. female sex), Black race (aOR 1.23 [1.19\u20131.28], vs. White race), no education (aOR 2.03 [1.91\u20132.17], vs. complete high school education), HIV infection (aOR 2.72 [2.63\u20132.81], vs. no HIV infection), illicit drug use (aOR 1.95 [1.88\u20132.01], vs. no illicit drug use), alcohol consumption (aOR 1.46 [1.41\u20131.50], vs. no alcohol consumption), smoking (aOR 1.20 [1.16\u20131.23], vs. non-smoking), homelessness (aOR 3.12 [2.95\u20133.31], vs. no homelessness), and immigrant status (aOR 1.27 [1.11\u20131.45], vs. non-immigrants). Treatment was more likely to be unsuccessful for individuals treated in tertiary care (aOR 2.20 [2.14\u20132.27], vs. primary care), and for patients not receiving DOT (aOR 2.35 [2.29\u20132.41], vs. receiving DOT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The risk of unsuccessful TB treatment varied systematically according to individual and service-related factors. Concentrating clinical attention on individuals with a high risk of poor treatment outcomes could improve the overall effectiveness of TB treatment in Brazil.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12879-024-09417-7","type":"journal-article","created":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T04:02:21Z","timestamp":1716782541000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Predictors of unsuccessful tuberculosis treatment outcomes in Brazil: an analysis of 259,484 patient records"],"prefix":"10.1186","volume":"24","author":[{"given":"Do Kyung","family":"Ryuk","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniele M.","family":"Pelissari","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kleydson","family":"Alves","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia Bartholomay","family":"Oliveira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcia C.","family":"Castro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ted","family":"Cohen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mauro","family":"Sanchez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicolas A.","family":"Menzies","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,5,27]]},"reference":[{"key":"9417_CR1","unstructured":"(WHO) WHO: Global Tuberculosis Report 2023. 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