Reactivation of lapsed donors
| Group | # years since last donation (pre-trial) | Total (n) | Total # reactivated donors (%) | # donations during trial | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 (%) | 2 (%) | 3 (%) | 4 (%) | 5 (%) | 6 (%) | 7 (%) | 8 (%) | 9 (%) | 10 (%) | ||||
| INT | All | 7,829 | 81.3 | 34.4 | 22.4 | 9.5 | 5.5 | 3.7 | 2.2 | 1.7 | 1.0 | 0.5 | 0.5 |
| Up to 2 | 4,433 | 77.2 | 36.1 | 20.9 | 8.3 | 4.2 | 3.0 | 1.7 | 1.4 | 0.6 | 0.5 | 0.5 | |
| Up to 3 | 985 | 85.8 | 34.9 | 23.8 | 10.7 | 6.9 | 2.6 | 1.9 | 2.8 | 1.2 | 0.5 | 0.4 | |
| Up to 4 | 565 | 85.5 | 32.6 | 24.6 | 11.2 | 6.4 | 4.2 | 3.2 | 1.2 | 1.1 | 0.7 | 0.4 | |
| Up to 5 | 417 | 88.2 | 31.9 | 22.8 | 12.9 | 7.4 | 7.0 | 2.2 | 2.9 | 0.7 | 0.0 | 0.4 | |
| 6+ | 1,429 | 87.3 | 30.1 | 24.8 | 10.8 | 7.9 | 5.5 | 3.4 | 1.7 | 2.0 | 0.6 | 0.6 | |
| CON | All | 7,867 | 26.5 | 19.4 | 5.1 | 1.2 | 0.3 | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 |
| Up to 2 | 3,301 | 37.6 | 27.3 | 7.6 | 1.6 | 0.4 | 0.2 | 0.2 | 0.1 | 0.0 | 0.1 | 0.0 | |
| Up to 3 | 1,855 | 23.1 | 16.8 | 4.0 | 1.3 | 0.3 | 0.3 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | |
| Up to 4 | 1,505 | 15.4 | 11.8 | 2.7 | 0.5 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | |
| Up to 5 | 1,189 | 15.4 | 10.8 | 3.0 | 0.7 | 0.5 | 0.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | |
| 6+ | 17 | 17.6 | 17.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Group | # years since last donation (pre-trial) | Total ( | Total # reactivated donors (%) | # donations during trial | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 (%) | 2 (%) | 3 (%) | 4 (%) | 5 (%) | 6 (%) | 7 (%) | 8 (%) | 9 (%) | 10 (%) | ||||
| All | 7,829 | 81.3 | 34.4 | 22.4 | 9.5 | 5.5 | 3.7 | 2.2 | 1.7 | 1.0 | 0.5 | 0.5 | |
| Up to 2 | 4,433 | 77.2 | 36.1 | 20.9 | 8.3 | 4.2 | 3.0 | 1.7 | 1.4 | 0.6 | 0.5 | 0.5 | |
| Up to 3 | 985 | 85.8 | 34.9 | 23.8 | 10.7 | 6.9 | 2.6 | 1.9 | 2.8 | 1.2 | 0.5 | 0.4 | |
| Up to 4 | 565 | 85.5 | 32.6 | 24.6 | 11.2 | 6.4 | 4.2 | 3.2 | 1.2 | 1.1 | 0.7 | 0.4 | |
| Up to 5 | 417 | 88.2 | 31.9 | 22.8 | 12.9 | 7.4 | 7.0 | 2.2 | 2.9 | 0.7 | 0.0 | 0.4 | |
| 6+ | 1,429 | 87.3 | 30.1 | 24.8 | 10.8 | 7.9 | 5.5 | 3.4 | 1.7 | 2.0 | 0.6 | 0.6 | |
| All | 7,867 | 26.5 | 19.4 | 5.1 | 1.2 | 0.3 | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | |
| Up to 2 | 3,301 | 37.6 | 27.3 | 7.6 | 1.6 | 0.4 | 0.2 | 0.2 | 0.1 | 0.0 | 0.1 | 0.0 | |
| Up to 3 | 1,855 | 23.1 | 16.8 | 4.0 | 1.3 | 0.3 | 0.3 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | |
| Up to 4 | 1,505 | 15.4 | 11.8 | 2.7 | 0.5 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | |
| Up to 5 | 1,189 | 15.4 | 10.8 | 3.0 | 0.7 | 0.5 | 0.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | |
| 6+ | 17 | 17.6 | 17.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
INT = intervention, CON = Control, Donations refer to successful whole blood and/or apheresis (plasma/platelet) collections
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