Residual Risk of Hepatitis-B-Infected Blood Donations: Estimation Methods and Perspectives

Table 2

Simulated data: serologic profile and followup for high versus low HBV prevalence datasets.

	First-time		Repeat
	𝑛	Prevalence (%)	𝑛	Prevalence (%)	Total years at risk
High HBV prevalence: serologic profile
HBsAg−, anti-HBc−	47820	NA	47820	NA	23586.63
HBsAg−, anti-HBc+	4000	7.70	200	0.42	50.43
HBsAg+, anti-HBc−	100	0.19	20	0.04	3.29
HBsAg+, anti-HBc+	30	0.06	10	0.02	1.38
All	51950	7.95	48050	0.48	23641.73
Low HBV prevalence: serologic profile
HBsAg−, anti-HBc−	49587	NA	49977	NA	24634.49
HBsAg−, anti-HBc+	400	0.800	20	0.040	4.38
HBsAg+, anti-HBc−	10	0.020	2	0.004	0.47
HBsAg+, anti-HBc+	3	0.006	1	0.001	0.14
All	50000	0.826	50000	0.046	24639.48

𝑛: number of cases, “+”: positive test result, and “−”: negative test result.