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Table 5 Outcomes and costs of IPT (in US $) among HIV-infected patients in Dar-es Salaam

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

  All patients IPT group Controls
Number of enrolled patients in the two groups 2564 1283 1281
Number of patients Completing 6 months of IPT 1255 1255 N/A
Number of patients developed active TB during follow up 13 2 11
Number of deaths occurred during follow up 27 3 24
Estimated IPT effectiveness using incident TBa 420 N/A N/A
Estimated IPT effectiveness using all-cause mortalityb 979 N/A N/A
Cost per person starting IPTc US $ N/A 132.88 N/A
Cost per person to complete 6 months of IPTd US $ N/A 135.85 N/A
  1. TB Tuberculosis
  2. N/A Not applicable
  3. aNumber of TB cases prevented per 100,000 population
  4. bNumber of all-cause mortality averted per 100,000 population
  5. cIncremental cost due to IPT divided by the number of patients enrolling in IPT
  6. dIncremental cost due to IPT divided by the number of patients completing 6 months of IPT