Table 1.
Characteristics of Volunteer Donors and Their Donated Plasma
| Characteristics | Median (IQR)/N (%) |
|---|---|
| Age, years | 39.9 (30.3–49.7) |
| Antibody test prior to donation | |
| Performed | 91 (50.8) |
| Not performed | 88 (49.2) |
| Antibody test result prior to donation (S/Co) | 2.3 (1.7–3.1) |
| CCP chemiluminescent results | |
| 0.02 to 1 | 21 (11.7) |
| >1-5 | 71 (39.1) |
| >5-10 | 32 (17.9) |
| >10-20 | 27 (15.1) |
| >20 | 29 (16.2) |
| Donated plasma ELISA titers | |
| Negative | 15 (8.4) |
| 1:32 | 2 (1.1) |
| 1:64 | 7 (3.9) |
| 1:128 | 10 (5.6) |
| 1:256 | 19 (10.6) |
| 1:512 | 31(17.3) |
| 1:1024 | 35 (19.6) |
| 1:2048 | 22 (12.3) |
| 1:4096 | 22 (12.3) |
| 1:8192 | 5 (2.8) |
| 1:16,384 | 8 (4.5) |
| 1:32,768 | 3 (1.9) |