ArticleAntimicrobial resistance and infection control2024
Predictors of early and interim culture un-conversion in multidrug-resistant/rifampicin-resistant tuberculosis: a retrospective multi-center cohort study in China.
Article in Antimicrobial resistance and infection control, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Culture conversion and drug susceptibility in drug-resistant pulmonary tuberculosis with type 2 diabetes mellitus on oral regimens.World journal of experimental medicine · 2026Article
- Article
- Using Machine Learning Methods to Predict Early Treatment Outcomes for Multidrug-Resistant or Rifampicin-Resistant Tuberculosis to Enhance Patient Cure Rates: Development and Validation of Multiple Models.Journal of medical Internet research · 2025Article
- Treatment outcomes in cavitary multidrug-resistant/rifampicin-resistant tuberculosis and risk factors for cavity closure: a retrospective cohort study in Southwest China.Scientific reports · 2025Article
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14 authors.
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Abstract
backgroundWe aimed to evaluate the predictors for early and interim culture conversion within 2 months and 6 months of treatment in multidrug-resistant/rifampicin-resistant tuberculosis (MDR/RR-TB) patients in China.
methodsThis study included adult MDR/RR-TB patients with a positive baseline sputum culture from 8 institutions located in different cities in China from May 2018 to January 2022. We mainly used logistic regression model to derive possible predictors of early and interim culture conversion.
resultsA total of 813 patients were enrolled and 28.5% of them received multidrug-resistant treatment regimens containing bedaquiline. Of these, 362 (44.5%) patients experienced culture conversion within 2 months of treatment, and 649 (79.8%) within 6 months. The results of the multivariable logistic regression analysis revealed that acid-fast bacilli smear positive (adjusted odds ratio [aOR] = 1.637, 95% confidence interval [CI] = 1.197-2.238), cavities (aOR = 1.539, 95% CI = 1.132-2.092), bilateral disease (aOR = 1.638, 95% CI = 1.183-2.269), and viral hepatitis (aOR = 2.585, 95% CI = 1.189-5.622) were identified as risk factors for early culture un-conversion within 2 months of treatment. Additionally, smoking history (aOR = 2.197, 95% CI = 1.475-3.273), previous treatment for tuberculosis (aOR = 1.909, 95% CI = 1.282-2.844), bilateral disease (aOR = 2.201, 95% CI = 1.369-3.537), viral hepatitis (aOR = 2.329, 95% CI = 1.094-4.962) were identified as risk factors for interim culture un-conversion within 6 months of treatment, while patients with regimen containing bedaquiline (aOR = 0.310, 95% CI = 0.191-0.502) was a protective factor.
conclusionsA history of smoking, a baseline sputum AFB smear positive, lung cavities, bilateral disease, previous anti-tuberculosis treatment, or a comorbidity of viral hepatitis can be used as the predictors for early and interim culture un-conversion in MDR/RR-TB patients, while bedaquiline was a protective factor .
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