Table 2a.

Mtb infection incidence rates comparison between children with and without HIV exposure

	N	n (%)†	Rate per 100 PY (95% CI)	HR* (95% CI)	p
12 month incidence	298	17 (5.7)	5.8 (3.6–9.4)
HIV Exposure¶	165	13 (7.9)	8.1 (4.7–14.0)	2.70 (0.87–8.21)	0.085
No HIV exposure	133	4 (3.0)	3.0 (1.1–8.1)	ref	--
12–24 month incidence	265	5 (1.9)	2.0 (0.8–4.8)
HIV Exposure¶	141	4 (2.8)	3.1 (1.1–8.2)	3.58 (0.40–32.1)	0.254
No HIV exposure	124	1 (0.8)	0.8 (0.1–5.9)	ref	--
Cumulative 24-months incidence	322	22 (6.8)	3.6 (2.4–5.5)
HIV Exposure¶	170	17 (10.0)	5.4 (3.4–8.7)	3.10 (1.16–8.54)	0.024
No HIV exposure	152	5 (3.3)	1.7 (0.7–4.1)	ref	--

^†n/N

^*Hazard ratio (HR) estimated using Cox proportional hazards regression

^¶Includes 2 children with new HIV diagnosis at 6 weeks and 6 months of age