a decreasing trendP < 0.0001
Prevalence and trend of TTIs in blood donors according to donor status The analysis of first-time donors (who comprised 23.3% of all donors) showed a decreasing trend in the prevalence of HBV ( P < 0.0001, R: -0.98), HIV ( P < 0.18, R: -0.49), HCV ( P < 0.0001, R: − 0.98) and HTLV 1/2 ( P < 0.0001, R: − 0.95) from 2010 to 2018.