From: Cost-Effectiveness of isoniazid preventive therapy among HIV-infected patients clinicaly screened for latent tuberculosis infection in Dar es Salaam, Tanzania: A prospective Cohort study
IPT group
Control group
Number of cases averted per 100,000 persons
Person years of follow up (PY)
2205
2152
TB incidence density/100,000 PY
91
511
420
Mortality incidence density/100,000 PY
136
1115
979