| ≤ 1% (n = 739) | > 1% (n = 48) |
---|
t0 (n = 489) | 100% (n = 489) | 0% |
t1 (n = 180) | 86.12% (n = 155) | 13.88% (n = 25) |
t2 (n = 118) | 80.51% (n = 95) | 19.49 (n = 23) |
- χ2 (2) = 87.778; p < .001
- t0: units evaluated within 6 h after processing; t1: units re-tested after 29–35 days of storage; t2: units re-tested after 36–42 days of storage; ≤ 1%: units not exceeding 1% of haemolysis; > 1%: units exceeding 1% of haemolysis; n: number of units