ArticlePublic health action2025
Markers of pulmonary TB in care-seeking patients with respiratory symptoms.
Article in Public health action, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
settingTo appropriately triage and evaluate people with signs or symptoms of pulmonary TB, clinical, laboratory, and radiological variables, as well as biomarkers, have been prioritised to increase early detection. However, in high TB prevalence areas, few studies used standardised tools to assess both sociodemographic characteristics and accessible biomarkers comprehensively. This study aimed to describe the sociodemographic, radiographic, clinical, and laboratory characteristics associated with pulmonary TB (PTB) in patients with presumed pulmonary TB (pPTB).
designA cross-sectional study was conducted at a public health centre in Duque de Caxias, Brazil, involving patients with pPTB from September 2017 to February 2020. Participants were evaluated using standardised tools: Patient Health Questionnaire 9 (PHQ-9) and the Mini International Neuropsychiatric Interview (MINI) Plus for depression, the MINI-Mental State Examination for cognitive functions, and the ASSIST (Alcohol, Smoking, and Substance Involvement Screening Test) questionnaire for substance use. Chest radiographs (CXRs) and blood tests were also performed. Logistic regression was used to identify associations between sociodemographic, radiographic and biological variables with PTB.
resultsOf 315 patients, 149 (47%) were diagnosed with PTB. Factors associated with PTB included the presence of cavitation on CXR (OR 13.7, 95% CI 5.93-34.5;
conclusionCXR findings and easy-to-perform blood tests can aid in PTB diagnosis, potentially reducing the time to treatment when microbiological or molecular tests cannot be performed.
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