TABLE 1.
Estimated numbers of whole blood and RBC units collected, transfused, and outdated in 2017 (expressed in thousands)
| Blood centers | Hospitals | Combined totals | 95% CI | 2015 Totals* | % Change 2017–2015 | |
|---|---|---|---|---|---|---|
| Collections | ||||||
| Whole blood units | ||||||
| Allogeneic, nondirected | 9,912 | 487 | 10,399 | (9,895–10,903) | 10,748 | −3.2% |
| Autologous | 7 | 2 | 10 | (7–12) | 25 | −61.8% |
| Directed | 6 | 10 | 16 | (7–24) | 21 | −25.8% |
| Apheresis RBC units† | 1,775 | 12 | 1,787 | (1,625–1,949) | 1,797 | −0.6% |
| Total supply | 11,701 | 510 | 12,211 | (11,680–12,742) | 12,591 | −3.0% |
| Rejected on testing | 74 | 5 | 78 | (70–87) | 53 | 47.6% |
| Rejected for other reasons‡ | 567 | 20 | 587 | (539–635) | 510 | 15.1% |
| Total available supply | 11,059 | 486 | 11,545 | (11,034–12,057) | 12,028 | −4.0% |
| Transfusions | ||||||
| Allogeneic, nondirected | 10,572 | (10,235–10,910) | 11,264 | −6.1% | ||
| Autologous | 27 | (11–42) | 20 | 32.6% | ||
| Directed | 56 | (32–79) | 66 | −15.9% | ||
| Total transfusions | 10,654 | (10,314–10,995) | 11,349 | −6.1% | ||
| Outdated whole blood or RBCs | 269 | 177 | 446 | (419–474) | 600 | −25.6% |
*
2015 totals were obtained from Ellingson et al.3
†
Apheresis RBC units include allogeneic, autologous, directed, and concurrent collections.
‡
Units rejected for other reasons does not include outdated units.