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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Am J Transplant. 2011 Mar 14;11(6):1188–1200. doi: 10.1111/j.1600-6143.2011.03460.x

Table 5.

Studies of HCV Incidence in Blood Donors

Study Location Population Recruitment # in Study #
Infected		 Person
Years		 Incidence
Rate (per 100
pys)		 Residual
Risk**
Obrien et al, 2007 (70) Canada Donors who made at least 2 donations within 3 years of each other 100% of defined population 4,140,862* 24 1,469,06 3 0.00163 0.0356
Dodd et al, 2002 (69) United States Blood donors 100% of defined population 19,811,809 * 79 4,182,00 0 0.00189 0.0414
*

WP given as 8 days (range 6.8–9.2)

**

Residual risk is the risk per 100,000 donors of a recent HCV infection occurring during the window period and being undetected by conventional blood screening measures.