Comparison of Epidemiological Methods for Estimation of Hepatitis B Incidence and Residual Risk for Blood Donors in Southern Brazil

Table 2

Deferral for either anti-HBc or HBsAg positive test result among candidates for blood donation in southern Brazil, 2004–2006.

	First-time blood donors			Repeat blood donors
Sex	Tested	Confirmed	Prevalence (%) and CI^1	Tested	Confirmed	Prevalence (%) and CI^1
Female	19894	375	1.88	10215	2	0.020
			1.70–2.08			0.002–0.071
Male	38881	875	2.25	26135	9	0.034
			2.11–2.40			0.016–0.065
All	58775	1250	2.13	36350	11	0.0303
			2.01–2.25			0.015–0.054

¹95% exact binomial confidence interval.