| Characteristics | Total n (%) | Seropositive n (%) | Seronegative n (%) |
| Age (years) |
|
|
|
| 18 - 38 | 926 (80.9) | 39 (3.4) | 887 (77.5) |
| 39 - 58 | 219 (19.1) | 6 (0.5) | 203 (18.6) |
| Means | 30.6 | 29.6 | 31.1 |
| Sd | 6.9 | 7.2 | 6.8 |
| Mediane | 30.5 | 29 | 30 |
| Extremes | 18 - 49 | 19 - 42 | 18 - 49 |
| Sex |
|
|
|
| Male | 715 (62.5) | 26 (2.3) | 689 (60.2) |
| Female | 430 (37.5) | 19 (1.7) | 411 (35.9) |
| Types of donors |
|
|
|
| FD | 953 (83.2) | 45 (3.9) | 908 (79.3) |
| VD (=CIVD) | 80 (7.0) | 0 | 80 (7.0) |
| PD | 112 (9.8) | 0 | 112 (9.8) |