| MEAN PLASMA HAEMOGLOBIN (g/dl) | |||
| DAYS OF STORAGE | MEDICAL | DOMESTIC | P-VALUE |
| 1 | 0.0 ± 0.0 | 0.0 ± 0.0 | |
| 7 | 0.0 ± 0.0 | 0.3 ± 0.1 | |
| 14 | 0.2 ± 0.0 | 0.3 ± 0.1 | |
| 21 | 0.2 ± 0.1 | 0.4 ± 0.1 | |
| 28 | 0.2 ± 0.1 | 0.4 ± 0.1 | |
| 35 | 0.3 ± 0.1* | 0.7 ± 0.1* | 0.031* |