| Number of donations and percentage | ||||
---|---|---|---|---|---|
Parameter | Total sample | HIV | Syphilis | HBsAg | HCV |
 |  | No. (%) | No. (%) | No. (%) | No. (%) |
Positive | 316 (1.3) | 75 (0.3) | 75 (0.3) | 140 (0.6) | 26 (0.1) |
Negative | 24445 (98.7) | 24686 (99.7) | 24686 (99.7) | 24621 (99.4) | 24735 (99.9) |
Total | 24761 | 24761 | 24761 | 24761 | 24761 |