The Korean Journal of Blood Transfusion : eISSN 2383-6881 / pISSN 1226-9336

Table. 2.

Table. 2.

Incidence rate and residual risk of transfusion-transmitted HCV infection

PeriodNo. of donationsTotal person-yearsNo. of incident casesIncidence rate per 1,000,000 person-year (95% CI)Residual risk per 1,000,000 person-year (95% CI)
Donors who donated only once during the period2012.07.01∼ 2014.06.301,355,4472,710,74015456.81 (48.51∼66.53)1.56 (1.33∼1.82)
2014.07.01∼ 2016.06.301,282,9652,565,80412649.11 (41.24∼58.48)1.35 (1.13∼1.60)
2016.07.01∼ 2018.06.301,148,4872,296,87310143.97 (36.18∼53.44)1.20 (0.99∼1.46)
Donors who donated more than once during the period2012.07.01∼ 2014.06.304,008,3928,016,77591.12 (0.58∼2.16)0.03 (0.02∼0.06)
2014.07.01∼ 2016.06.304,353,2458,706,48280.92 (0.46∼1.84)0.03 (0.01∼0.05)
2016.07.01∼ 2018.06.304,239,2008,478,39370.83 (0.39∼1.73)0.02 (0.01∼0.05)
Total2012.07.01∼ 2014.06.305,363,83910,727,51516315.19 (13.03∼17.72)0.42 (0.36∼0.49)
2014.07.01∼ 2016.06.305,636,21011,272,28613411.89 (10.04∼14.08)0.33 (0.27∼0.39)
2016.07.01∼ 2018.06.305,387,68710,775,26610810.02 (8.3∼12.1)0.27 (0.23∼0.33)
Korean J Blood Transfus 2019;30:156-62 https://doi.org/10.17945/kjbt.2019.30.2.156
© 2019 Korean J Blood Transfus