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Table 6 IR & IRR among patients who took HAART with or without IPT in public health facilities of Addis Ababa, during 2007-June 2012

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

1