Effectiveness of the First Dose of BCG against Tuberculosis among HIV-Infected, Predominantly Immunodeficient Children

Table 5

Odds ratios and effectiveness of the association between BCG vaccination and TB (pulmonary and extrapulmonary). Hospital Pediátrico David Bernardino (Angola): January 2005–December 2006.

Variable	Pulmonary tuberculosis		Control		OR; (95% CI)	value	(1-OR) (%); (95% CI)
		%		%
BCG vaccine
Yes	124	62.0	433	64.4	0.90; (0.64–1.26)	0.58	10; (−26%–36%)
No	76	38.0	239	35.6	1.00
Total	200	22.9	672	77.1
Variable	Extrapulmonary tuberculosis		Control		OR; (95% CI)	value	(1-OR) (%); (95% CI)
		%		%
BCG vaccination
Yes	20	66.7	433	64.4	1.10; (0.48–2.57)	0.96	−10; (−157–52)
No	10	33.3	239	35.6	1.00
Total	30	4.3	672	95.7

BCG: Bacille Calmette-Guérin; TB: tuberculosis; OR: odds ratio; CI: confidence interval; (1-OR) (%): effectiveness.