TABLE 3.
Descriptive data of events grouped by proportion of donations using an LRS chamber between 1 and 11 y previously
| <10% LRS donations | 10‐90% LRS donations | >90% LRS donations | |
|---|---|---|---|
| Immunosuppression‐related infections | |||
| Number of donors with infection event | 319 | 5 | 11 |
| Age at event (y), mean (SD) | 50.5 (15.2) | 47.9 (13.9) | 50.0 (10.8) |
| Years since first apheresis donation, mean (median, SD) | 11.5 (12.0, 5.2) | 9.7 (11.2, 3.5) | 7.1 (8.1, 4.4) |
| Apheresis donations, mean (median, SD) | |||
| Total | 18.1 (9, 25.9) | 42.6 (50, 16.4) | 16.9 (10, 20.1) |
| 1‐11 y previously | 9.8 (1, 19.1) | 29.8 (24, 16.5) | 11.2 (5, 12.5) |
| Last year | 0.5 (0, 2.0) | 4.4 (5, 4.6) | 2.3 (0, 5.5) |
| LRS donations, mean (median, SD) | |||
| Total | 0.2 (0, 2.6) | 23.6 (19, 17.7) | 15.3 (10, 17.2) |
| 1‐11 y previously | 0.0 (0, 0.3) | 19.8 (15, 16.1) | 11.1 (5, 12.5) |
| Last year | 0.0 (0, 0.2) | 3.0 (4, 2.8) | 2.3 (0, 5.5) |
| Proportion of apheresis donations using LRS 1‐11 y previously, mean (SD) | 0% (1%) | 59% (25%) | 99% (2%) |
| Common bacterial infections | |||
| Number of donors with infection event | 4014 | 69 | 120 |
| Age at event (y), mean (SD) | 47.0 (14.3) | 46.5 (13) | 47.8 (12.1) |
| Years since first apheresis donation, mean (median, SD) | 10.7 (11, 5.5) | 9.1 (9.0, 4.4) | 8.3 (7.6, 5.1) |
| Apheresis donations, mean (median, SD) | |||
| Total | 17.2 (8, 24.8) | 42.7 (24, 50.9) | 18.4 (6.5, 32.5) |
| 1‐11 y previously | 9.1 (2, 17.5) | 32.5 (16, 35.4) | 11.9 (4, 22.9) |
| Last year | 0.7 (0, 2.4) | 1.7 (0, 3.6) | 1.5 (0, 3.5) |
| LRS donations, mean (median, SD) | |||
| Total | 0.1 (0, 1.7) | 17.2 (8, 23.2) | 15.5 (5.5, 27.9) |
| 1‐11 y previously | 0.0 (0, 0.2) | 14.0 (7, 18.2) | 11.7 (4, 22.4) |
| Last year | 0.0 (0, 0.3) | 1.2 (0, 2.9) | 1.3 (0, 3.3) |
| Proportion of apheresis donations using LRS 1‐11 y previously, mean (SD) | 0% (0%) | 41% (23%) | 100% (1%) |