Assessing the Impact of Isoniazid Preventive Therapy (IPT) on Tuberculosis Incidence and Predictors of Tuberculosis among Adult Patients Enrolled on ART in Nekemte Town, Western Ethiopia: A Retrospective Cohort Study

Table 3

Incidence rate of tuberculosis of PLWH at Nekemte referral hospital and Nekemte Health center followed from September 2009-September 2012.

Variables(n=600)	Category	Incident TB Cases	Person Year	Incidence Rate/100 PYO
Age Group	<=30	31	747	4.15
	31-40	10	522.08	1.9
	41-50	7	166.91	4.19
	>50	5	46.56	10.7
Sex	Female	34	881.16	3.85
	Male	19	601.39	3.15
CD4	<=200	29	235.06	12.3
	201-350	16	394.28	4.05
	351-500	4	380.95	1.05
	>500	4	472.26	0.85
BMI	>=18.5	18	903.38	2.0
	<18.5	35	579.17	6.04
Weight	<=50	36	603.07	5.96
	>50	17	852.48	2.0
WHO Stage	I/II	36	1236.66	2.9
	III/IV	19	245.89	6.9
Functional status	Working	35	1271.03	2.75
	Ambulatory/ Bedridden	18	211.52	8.5
Opportunistic Infection	Yes	10	295.17	3.38
	No	43	1187.38	3.6
Cotrimoxazole Treatment	Yes	20	1064.16	1.88
	No	33	418.39	7.88
Cohort group	IPT	11	554.72	1.98
	Non-IPT	42	927.83	4.52