Factors Affecting Time to Sputum Culture Conversion and Treatment Outcome of 160 Patients with Multidrug-Resistant Tuberculosis in Tertiary Care Centres, Chennai
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



Research Paper | Medical Science | India | Volume 7 Issue 10, October 2018

Factors Affecting Time to Sputum Culture Conversion and Treatment Outcome of 160 Patients with Multidrug-Resistant Tuberculosis in Tertiary Care Centres, Chennai

Dr. U. Arun Jaya Kumar, Dr. K. Monisha, Dr. Harish Narayanan

The aim of the present study was to investigate the relationship between treatment outcomes of multidrug-resistant tuberculosis (MDR-TB) patients and sputum culture conversion. Factors affecting the time of the culture conversion throughout the whole course of the treatment have rarely been investigated. This study was performed in tertiary care centres, chennai. MDR-TB patients were consecutively enrolled between December 2017 and March 2018. A prospective cohort study was carried out to identify the factors associated with initial culture conversion. Survival analysis was performed using Cox proportional hazards model to compute estimates for time to sputum culture conversion and rate ratios, respectively. Initial sputum culture conversion was reported in 139 out of 160 cases. In all, 139 MDR-TB patients with treatment outcomes were enrolled. Median time to culture conversion among those who converted was 91.5 days (interquartile range, 34.0110.8 days). After multivariable analysis, smoking (HR = 0.44, 95 % CI 0.230.83), drinking (HR = 0.41, 95 % CI 0.210.81), ofloxacin resistance (HR = 0.43, 95 % CI 0.240.76) and sputum smear grade > 1 (HR = 0.51, 95 % CI 0.310.83) were less likely to have culture conversion. Treatment success was observed in 84 patients.

Keywords: Multidrug-resistant tuberculosis, Risk factors, Sputum culture conversion, Treatment outcome

Edition: Volume 7 Issue 10, October 2018

Pages: 336 - 341

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Dr. U. Arun Jaya Kumar, Dr. K. Monisha, Dr. Harish Narayanan, "Factors Affecting Time to Sputum Culture Conversion and Treatment Outcome of 160 Patients with Multidrug-Resistant Tuberculosis in Tertiary Care Centres, Chennai", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20191764, Volume 7 Issue 10, October 2018, 336 - 341

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