Implicated blood products in the 48-month study period (July 1991-June 1995) and the relative prevalence of TRALI per unit transfused of each
| Implicated component . | No. of TRALI reactions . | No. of units transfused . | Prevalence, % (ratio) . |
|---|---|---|---|
| WB-PLTs | 72 | 31 074 | 0.23 (1 of 432) |
| A-PLTs | 2 | 2 447 | 0.082 (1 of 1 224) |
| PRBCs | 15 | 66 161 | 0.023 (1 of 4 410) |
| FFP | 1 | 19 411 | 0.0052 (1 of 19 411) |
| All cellular components | 89 | 99 682 | 0.089 (1 of 1 120) |
| All components | 90 | 119 093 | 0.076 (1/ of 1 323) |
| Implicated component . | No. of TRALI reactions . | No. of units transfused . | Prevalence, % (ratio) . |
|---|---|---|---|
| WB-PLTs | 72 | 31 074 | 0.23 (1 of 432) |
| A-PLTs | 2 | 2 447 | 0.082 (1 of 1 224) |
| PRBCs | 15 | 66 161 | 0.023 (1 of 4 410) |
| FFP | 1 | 19 411 | 0.0052 (1 of 19 411) |
| All cellular components | 89 | 99 682 | 0.089 (1 of 1 120) |
| All components | 90 | 119 093 | 0.076 (1/ of 1 323) |
WB-PLTs indicates platelets separated from whole blood by centrifugation; A-PLTs, platelets collected by apheresis on a Cobe Spectra apheresis apparatus (Gambro BCT, Lakewood, CO); PRBCs, packed red blood cells; and FFP, fresh frozen plasma.