{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T02:42:38Z","timestamp":1782960158140,"version":"3.54.5"},"reference-count":20,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,11,27]],"date-time":"2021-11-27T00:00:00Z","timestamp":1637971200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,11,27]],"date-time":"2021-11-27T00:00:00Z","timestamp":1637971200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Infect Dis"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Aim<\/jats:title>\n                <jats:p>This study mainly evaluates the clinical characteristics and chest chest computed tomography (CT) findings of AFB-positive and AFB-negative pulmonary tuberculosis (PTB) patients to explore the relationship between AFB-positive and clinico-radiological findings.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>A retrospective analysis of 224 hospitalized tuberculosis patients from 2018 to 2020 was undertaken. According to the AFB smear results, they were divided into AFB-positive pulmonary tuberculosis (positive by Ziehl\u2013Neelsen staining) and AFB-negative pulmonary tuberculosis and patients\u2019 CT results and laboratory test results were analyzed.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A total of 224 PTB patients were enrolled. AFB-positive (n\u2009=\u200994, 42%) and AFB-negative (n\u2009=\u2009130, 58%). AFB-positive patients had more consolidation (77.7% vs. 53.8%, p\u2009&lt;\u20090.01), cavity (55.3% vs. 34.6%, p\u2009&lt;\u20090.01), calcification (38.3% vs. 20%, p\u2009&lt;\u20090.01), bronchiectasis (7.5% vs. 1.5%, p\u2009&lt;\u20090.05), bronchiarctia (6.4% vs. 0.8%, p\u2009&lt;\u20090.05), and right upper lobe involvement (57.5% vs. 33.1%, p\u2009&lt;\u20090.01), left upper lobe involvement (46.8% vs. 33.1%, p\u2009&lt;\u20090.05) and lymphadenopathy (58.5% vs. 37.7%, p\u2009&lt;\u20090.01).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The study found that when pulmonary tuberculosis patients have consolidation, cavity, upper lobe involvement and lymphadenopathy on chest CT images, they may have a higher risk of AFB-positive tuberculosis.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12879-021-06901-2","type":"journal-article","created":{"date-parts":[[2021,11,27]],"date-time":"2021-11-27T13:03:42Z","timestamp":1638018222000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Clinical characteristics and chest computed tomography findings related to the infectivity of pulmonary tuberculosis"],"prefix":"10.1186","volume":"21","author":[{"given":"Yuanyuan","family":"Wang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoqian","family":"Shang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liang","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiahui","family":"Fan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengming","family":"Tian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuanzheng","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weina","family":"Kong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunling","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiumin","family":"Ma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,11,27]]},"reference":[{"issue":"1","key":"6901_CR1","doi-asserted-by":"publisher","first-page":"119","DOI":"10.1186\/s40249-020-00739-7","volume":"9","author":"MMD Goroh","year":"2020","unstructured":"Goroh MMD, Rajahram GS, Avoi R, Van Den Boogaard CHA, William T, Ralph AP, Lowbridge C. 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Ethical approval and consent to participate. All experimental protocols were approved by the ethics committee of Xinjiang medical university.Informed consent was obtained from all subjects. All methods were carried out in accordance with relevant guidelines and regulations.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Informed consent for publication was obtained from all participants.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no known competing financial interests or personal relationships.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"1197"}}