Tuberculosis treatment outcome for cohort notified in 2009 PDF Print E-mail

New smear-positive cases

Analysis of the TB cohort notified in 2009 shows that the overall treatment success for new smear positive TB cases was 87.9%. This is  the third consecutive year where treatment success rate has exceeded the global target of 87% by 2015 set by the Stop TB partnership Global Plan to Stop TB, 2006 -2015 and WHO target of 85% set in 2005. However, five regions namely; Tabora (79%), Kilimanjaro (77%), Ilala I (84.4%), Ilala II (83.4%) and Kinondoni (84%) failed to meet the global target as shown in Table 6.

Furthermore, the cohort analysis shows that 1,214 (4.9%) patients died during treatment. This is a decline by 35 patients compared to 2008 when 1,249 (5.2%) died. A total of 811 (3.3%) were transferred out, another 545 (2.2%) defaulted while on treatment and the remaining 62 (0.2%) failed treatment which was not different from the cohort report of 2008. Overall, the unfavourable treatment outcome was 10.6% which is below the WHO target of 15%. Figure 7, shows treatment outcomes of new smear positive TB cases treated in cohort of 2009 by region.

The trend of treatment outcome results for the new smear-positive patients in the past twenty years (1999 – 2009) show that the success rate has increased consistently since 2001 from about 80% in 2001 to 88% in 2009. Similarly the mortality rate has been declining since 2006 from 8% to 4.9% in 2009.

Treatment outcome of re-treatment cases notified in 2009

Cohort analysis data is available for 4,121 out of the 4,217 re-treatment cases notified in 2009 giving case holding of 98%. Overall a total 3,501 (83%) of those evaluated were either cured or completed treatment resulting in treatment success rate of 83%. The treatment success among the different re-treatment  categories was as follows; relapses - 82%, failures – 76%, return after default – 77% and others -  84%. The unfavourable outcomes were 15.1% represented by: - death - 357 (8.5%); failures - 31(0.7%); defaulted –112 (2.7%); transferred out 135 (3.2%).  Figures 8 and 9 below summarises the treatment outcome for each category of the re-treatment cases. The trends of treatment success among re-treatment cases since 2006 has been consistently above 80% after introducing FDCs and DOT treatment supporters throughout the country. Similarly the unfavourable outcomes have declined significantly during the same period.

Last Updated on Sunday, 05 August 2012 14:13