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

Table 2

Odds ratios and effectiveness of the association between BCG vaccination and TB according to different diagnostic categories. Hospital Pediátrico David Bernardino (HPDB, Angola): January 2005–December 2006.

Variable	Tuberculosis; (all diagnostic categories)		Control		OR; (95% CI)	value	(1-OR) (%); (95% CI)
		%		%
BCG vaccination
No	86	37.4	239	35.6	1.00
Yes	144	62.6	433	64.4	0.92; (0.68–1.26)	0.62	8; (−26–32)
Total	230	25.5	672	74.5
Variable	Tuberculosis; (confirmed diagnosis)		Control		OR; (95% CI)	value	(1-OR) (%); (95% CI)
		%		%
BCG vaccination
No	20	35.7	239	35.6	1.00
Yes	36	64.3	433	64.4	0.99; (0.54–1.82)	0.90	1; (−82%–46%)
Total	56	7.7	672	92.3
Variable	Tuberculosis; (probable diagnosis)		Control		OR; (95% CI)	value	(1-OR) (%); (95% CI)
		%		%
BCG vaccination
No	66	37.9	239	35.6	1.00
Yes	108	62.1	433	64.4	0.90; (0.63–1.29)	0.62	10; (−29–37)
Total	174	20.6	672	79.4

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