From: Effectiveness of isoniazid preventative therapy in reducing incidence of active tuberculosis among people living with HIV/AIDS in public health facilities of Addis Ababa, Ethiopia: a historical cohort study
Therapy (N = 1842)
IR/100P-Y
aIRR(95% CI)
IPT with HAART
0.42
0.063(0.035–0.104)
HAART only
7.83
1
IPT initiation time with HAART
Took IPT with HAART
0.2
0.158(0.039–0.555)
Took IPT before initiating HAART
0.75