Table 5.
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.