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Factors associated with sputum smear conversion and reversion rates among new smear-positive pulmonary tuberculosis patients at Iringa and Dodoma regional referral hospitals: a prospective cohort study

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dc.creator Pazi, Swaleh K
dc.date 2019-09-04T06:32:37Z
dc.date 2019-09-04T06:32:37Z
dc.date 2018
dc.date.accessioned 2022-10-20T14:03:15Z
dc.date.available 2022-10-20T14:03:15Z
dc.identifier Pazi, S.K. (2018). Factors associated with sputum smear conversion and reversion rates among new smear-positive pulmonary tuberculosis patients at Iringa and Dodoma regional referral hospitals: a prospective cohort study. Dodoma: The University of Dodoma
dc.identifier http://hdl.handle.net/20.500.12661/1560
dc.identifier.uri http://hdl.handle.net/20.500.12661/1560
dc.description Dissertation (MMED Internal Medicine)
dc.description Background: Pulmonary tuberculosis smear-positive cases are expected to convert to negative sputum during treatment. Delayed sputum conversion and reversion prolong infectious period. Therefore, understanding associated factors for smear conversion and reversion will help to identify a patient with severe infectious pulmonary tuberculosis before or during treatment. Objective: The aim of this study was to determine sputum conversion and reversion rates and their associated factors among new sputum smear-positive pulmonary tuberculosis (PTB) patients. Methods: This was a prospective hospital-based study done at Iringa and Dodoma Regional Referral Hospitals. A sample size of 131 patients was recruited after being screened for AFB. The analysis was done using STATA version 12, associated factors for early sputum conversion, delayed conversion and reversion were established by univariate and multivariate logistic regression. Results: Of the 131, 98(75%) of the patients enrolled were male. Age 60+ years old aOR:0.07(95%CI:0.006-0.084) not favouring early sputum conversion, current cigarette smoking aOR: 2.892(95%CI: 0.118-0.803) was associated with delayed sputum conversions while sputum reversion was associated with current cigarette smoking a OR:3.616(95%CI:1.220-10.716). Conclusion and Recommendations: Delayed sputum conversion and reversion appear to be common among pulmonary tuberculosis. This data highlights the importance of providing smoking cessation counselling to newly diagnosed PTB patients.
dc.language en
dc.publisher The University of Dodoma
dc.subject Sputum smear
dc.subject Sputum
dc.subject Conversion rates
dc.subject Reversion rates
dc.subject Pulmonary tuberculosis
dc.subject Tuberculosis
dc.subject PTB
dc.subject TB
dc.subject Dodoma regional referral hospital
dc.subject Iringa regional referral hospital
dc.subject Dodoma
dc.subject Iringa
dc.subject Hospital
dc.title Factors associated with sputum smear conversion and reversion rates among new smear-positive pulmonary tuberculosis patients at Iringa and Dodoma regional referral hospitals: a prospective cohort study
dc.type Dissertation


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