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Table 3 Incidence rate of endpoints (TB, death, and composite) in IPT and ART exposure category in HIV cohort of Dilla University Hospital from January 2007 to August 2013

From: Effect of isoniazid preventive therapy on tuberculosis or death in persons with HIV: a retrospective cohort study

Exposure status Person years TB n (per 100 PYs) Death n (per 100 PYs) Composite n (per 100 PYs)
On ART, no IPT 3922.6 53 (1.35) 140 (3.57) 193 (4.92)
No ART, no IPT 645.9 52 (8.05) 2 (0.31) 54 (8.21)
No ART, treated with IPT 77.0 4 (5.20) 0 (0) 4 (5.20)
On ART, treated with IPT 845.7 1 (0.12) 6 (0.71) 7 (0.83)
Total 5491.2 110 (2.00) 148 (2.70) 258 (4.70)
  1. ART Antiretroviral Therapy, IPT Isoniazid Preventive Therapy, n Number of events, PY Person Year, TB Tuberculosis