5957 episodes in complete dataset 99 second/subsequent episodes in the same individual during study period 5858 episodes (one per individual) 50 episodes with missing TB start date 5808 episodes with known treatment start date Inclusions at each stage 496 with NTM only on culture Exclusions at each stage 2 with inconsistent HIV & CD4 data Four study groups 2 with final outcome “not TB” 5308 episodes 2567 with unknown HIV status 2741 with known HIV status 2337 HIV+ 404 HIV- 1152 with unknown cART status 722 HIV+ not on cART 463 HIV+ on cART 354 on cART >90 days 109 on cART <=90 days