Trends and outcomes of tuberculosis among cases at directly observed short course treatment (DOTS) at the Tepi public Health Center Southwest Ethiopia
DOI:
https://doi.org/10.15587/2519-8025.2020.213488Keywords:
Treatment outcomes, Sheka Zone, the Tepi Health Center, EthiopiaAbstract
Background: Monitoring treatment outcomes and understanding the reasons for unsuccessful treatment have paramount importance for the tuberculosis control program. This study was designed to evaluate trends and treatment outcomes of tuberculosis patients at the Tepi Health Center and to identify the predictors of unsuccessful treatment outcome.
Method: Retrospective review of TB cases, registered in the Tepi health center from 2011-2018, was conducted using data, extracted from medical records of TB patients. The structured data extraction form was prepared and used to extract socio-demographic, clinical and outcome data of study cases. The case definition and the treatment outcome of patients were ascertained and reported in accordance with the World Health Organization guideline. A binary logistic regression model was fit to identify predictors of unsuccessful outcome.
Results: A total of 1651 TB patients, registered at the Tepi Public Health Center in between June 2011 and May 2018, were included in the study. Of all 924(56 %) were males and 1053 (63.8 %) cases were in between the age range of 15 and 35 years. HIV-status of 1019 TB cases was unknown and 189(11.4 %) of participants were HIV-positive. 457 (27.7 %) cases were diagnosed with extra pulmonary TB (EPTB) and 1194(72.3 %) were pulmonary TB patients, out of which 376(73.6 %) were smear-positive pulmonary TB (PTB+). The overall treatment success rate (TSR) of patients was 80.4 % (1327/1651), while it was 84.8 % (134/158), 80.2 % (410/511), and 78.3 % (148/189) among the transfer-in, PTB+, and HIV+ cases, respectively. Higher numbers of successful treatment outcomes were recorded among new (82.7 %) EPTB cases (84.7 %). The cure rate was 73.6 %(376/511) and 18(34/189) among patients with PTB+ and HIV+, respectively. Multiple logistic regression analysis indicated that residence sites (OR .763(.584, .996) and TB/HIV co-infection (OR 0.661(0.444, 0.985), were significantly associated with the treatment outcome. Rural residence was 27.1 % less likely to have successful treatment. There was significant heterogeneity in the odds of having successful treatment outcomes across years of initiating treatment.
Conclusion: The treatment success rate among study cases was lower than the WHO’s target and further efforts like availability of TB clinics in nearby sites and reducing rate of HIV infection should be made to improve the rate of successful treatment outcome
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