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

Table. 1.

Table. 1.

Incidence rate and residual risk of transfusion-transmitted HBV 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∼ 2014.06.301,355,4472,708,5082,386880.93 (846.28∼916.99)60.34 (57.96∼62.81)
2014.07.01∼ 2016.06.301,282,9652,564,3951,535598.58 (569.37∼629.29)41.00 (39.00∼43.10)
2016.07.01∼ 2018.06.301,148,4872,295,7381,236538.39 (509.19∼569.26)36.88 (34.88∼38.99)
Donors who donated more than once during the period2012.07.01∼ 2014.06.304,008,3928,010,42436044.91 (40.50∼49.79)3.08 (2.77∼3.41)
2014.07.01∼ 2016.06.304,353,2458,706,16932136.87 (33.05∼41.13)2.53 (2.26∼2.82)
2016.07.01∼ 2018.06.304,239,2008,478,15624428.78 (25.39∼32.63)1.97 (1.74∼2.23)
Total2012.07.01∼ 2014.06.305,363,83910,724,9322,746256.04 (246.64∼265.8)17.54 (16.89∼18.21)
2014.07.01∼ 2016.06.305,636,21011,270,5641,856164.68 (157.35∼172.34)11.28 (10.78∼11.8)
2016.07.01∼ 2018.06.305,387,68710,773,8941,480137.37 (130.55∼144.55)9.41 (8.94∼9.9)
Korean J Blood Transfus 2019;30:156-62 https://doi.org/10.17945/kjbt.2019.30.2.156
© 2019 Korean J Blood Transfus