Main pre- and postoperative laboratory levels of patients randomly assigned to the control and preoperative autologous blood donation groups
| Laboratory test; time | Group; mean (SD) | p value | |
|---|---|---|---|
| Control (n = 23) | PAD (n = 25) | ||
| Hemoglobin, g/L | |||
| Predonation | — | 143.4 (11.7) | |
| Preoperative | 135.0 (12.9) | 128.7 (14.4) | 0.12 |
| 24 h after surgery | 86.2 (13) | 81.6 (12.1) | 0.22 |
| 5 d after surgery | 107.7 (11.9) | 102.8 (11.8) | 0.16 |
| Prothrombin time | |||
| Preoperative | 9.4 (1.1) | 9.7 (2.8) | 0.69 |
| 30 min after surgery | 13.5 (2.2) | 13.2 (3.9) | 0.76 |
| 24 h after surgery | 10.9 (1.7) | 10.3 (1.3) | 0.16 |
| Fibrinogen | |||
| Preoperative | 3.1 (0.9) | 4.3 (1.5) | 0.004 |
| 30 min after surgery | 2.6 (0.7) | 3.0 (0.9) | 0.10 |
| 24 h after surgery | 5.1 (1.2) | 6.2 (1.3) | 0.006 |
PAD = preoperative autologous blood donation; SD = standard deviation.