Demographic characteristics of patients assigned to the control and preoperative autologous blood donation groups
| Characteristic | Group; mean (SD) [range]* | p value | |
|---|---|---|---|
| Control (n = 23) | PAD (n = 25) | ||
| Age, yr | 61.4 (9.4) | 61.2 (9.8) | 0.94 |
| Sex, female/male | 4/23 | 4/25 | 0.90 |
| Weight, kg | 79.6 (13.1) | 79.1 (13.4) | 0.90 |
| Height, cm | 169.9 (6.2) | 167.5 (8.2) | 0.26 |
| Coronary disease, no. of patients | 21 | 22 | |
| Valvular disease, no. of patients | 2 | 2 | |
| Replacement of ascending aorta, no. of patients | 0 | 1 | |
| Repeat surgery, no. of patients | 1 | 1 | |
| NYHA score | 2.2 (0.5) | 2.4 (0.5) | 0.06 |
| Angor functional class | 2.2 (0.5) | 2.4 (0.7) | 0.26 |
| Left ventricular ejection fraction | 52.6 (12.4) | 54.8 (12.3) | 0.54 |
| Time between blood donation and surgery, d | |||
| First donation | — | 22.5 (9.4) [12–50] | |
| Second donation | — | 14.4 (7.8) [6–27] | |
NYHA = New York Heart Association; PAD = preoperative autologous blood donation; SD = standard deviation.
↵* Unless otherwise indicated.