Publication: Prevalence and associated risk factors of drug-resistant tuberculosis in Thailand: results from the fifth national anti-tuberculosis drug resistance survey
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Issued Date
2020-01-01
Resource Type
ISSN
13653156
13602276
13602276
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2-s2.0-85096691335
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Mahidol University
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SCOPUS
Bibliographic Citation
Tropical Medicine and International Health. (2020)
Suggested Citation
P. Kamolwat, S. Nateniyom, A. Chaiprasert, A. Disratthakit, S. Mahasirimongkol, N. Yamada, S. Smithtikarn Prevalence and associated risk factors of drug-resistant tuberculosis in Thailand: results from the fifth national anti-tuberculosis drug resistance survey. Tropical Medicine and International Health. (2020). doi:10.1111/tmi.13502 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/60500
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Title
Prevalence and associated risk factors of drug-resistant tuberculosis in Thailand: results from the fifth national anti-tuberculosis drug resistance survey
Abstract
© 2020 John Wiley & Sons Ltd Objective: To assess the prevalence and risk factors of drug-resistant tuberculosis (TB), the fifth national anti-TB drug resistance survey was conducted in Thailand. Methods: A cross-sectional study was conducted by stratified cluster sampling with probability proportional to size of TB cases from public health facilities in 100 clusters throughout Thailand from August 2017 to August 2018. Susceptibility testing of TB isolates to first- and second-line anti-TB drugs was performed on Löwenstein–Jensen medium using the indirect proportion method. Multiple imputation was done for handling missing data using Stata 16. The proportion of TB cases with drug resistance was determined. The odds ratio was used to evaluate risk factors associated with drug-resistant TB. Results: Among 1501 new TB and 69 previously treated TB cases, 14.0% [95% confidence interval (CI): 12.1–16.1] and 33.4% (95% CI: 23.6–44.8), respectively, had resistance to any anti-TB drug. Multidrug-resistant TB accounted for 0.8% (95% CI: 0.5–1.4) of new TB cases and 13.0% (95% CI: 6.5–24.4) of previously treated TB cases. Drug-resistant TB was associated with prior TB treatment [odds ratio (OR), 2.9; 95% CI: 1.6–5.0], age at 45–54 years (OR, 1.6; 95% CI: 1.0–2.4), male (OR, 1.5; 95% CI: 1.0–2.1) and human immunodeficiency virus (HIV) infection (OR, 1.6; 95% CI: 1.0–2.4). Conclusions: The burden of drug-resistant TB remains high in Thailand. Intensified prevention and control measures should be implemented to reduce the risks of drug-resistant TB in high-risk groups previously treated, especially individuals of late middle age, males and those with coinfection of TB and HIV.