Publication date: Nov 19, 2024

In Tanzania like other developing countries, TB detection is hindered by totally missed, late notification, and delayed diagnosis of active cases. Apart from having TB control strategies and interventions to detect patients and put them on treatment to cut down the chain of transmission, TB remains a health concern. Limited data exist on the burden and trends of tuberculosis in Mwanza, which includes fishing communities and living conditions that are associated with high TB transmission like overcrowding. This study aimed to determine tuberculosis trends in the Mwanza region of Tanzania for five years, from 2017 to 2021. We extracted routine TB diagnostic data from 2017 to 2021 from eight districts of the Mwanza region of Tanzania from the electronic TB database. Data were captured in Microsoft Office Excel 2007 with district TB and leprosy coordinators and then imported into STATA 13 (Stata Corp LLC, College Station, TX, USA) for analysis. We estimated the TB case detection rate per 100,000 population. A total of 6,414 laboratory-confirmed tuberculosis cases were detected in eight districts of the Mwanza region in Tanzania from 2017 to 2021. The average tuberculosis detection rate in five years was 34. 7 per 100,000 population. Overall, the TB detection rate was two times higher in people without HIV (30. 5) compared to those infected with HIV; 13. 4 per 100,000 population. Of the 15 rifampicin-resistant TB cases detected in the year 2018, 66. 7% (10/15) were HIV-negative compared to 33. 3% (5/15) infected with HIV. The TB case detection rate decreased in Mwanza region from 43. 9 in 2017 to 21. 4 per 100,000 population in 2021. Other parameters were missing in the database, which indicates remarkable gaps in the established database to monitor TB management in the region. The program may consider investigating and improving the documentation of information necessary to attain its goals.

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