Table 2 Comparison between groups for operative characteristics and outcomes after adjustment for confounding variablesa
Variables | HES group | HA group | Adjusted P -value |
|---|---|---|---|
(nos = 1007) | (nos = 322) | ||
(nm = 1007) | (nm = 1007) | ||
Surgery duration (min) | 217.4 (67.8) | 227.5 (98.5) | 0.082 |
CPB duration (min) | 110.8 (45.4) | 117.6 (53.8) | 0.013 |
Aortic clamping (%) | 904 (89.8) | 303 (94.4) | 0.100 |
Minimum temperature during CPB (°C) | 30.4 (2.9) | 28.4 (3.8) | <0.001b |
Priming volume (ml∙kg−1) | 65.7 (34.7) | 111.5 (54.7) | <0.001b |
Degree of hemodilution (%)c | 80.1 (36.9) | 136.4 (58.2) | <0.001b |
MUF (%) | 921 (91.6) | 919 (91.4) | 0.41 |
MUF (ml∙kg−1) | 29.9 (16.5) | 31.3 (17.6) | 0.86 |
Exposure to blood products (%) | 639 (63.5) | 801 (79.5) | <0.001b |
Reexploration for bleeding (%) | 7 (0.7) | 6 (0.6) | 0.79 |
ICU infection (%) | 438 (43.6) | 445 (44.3) | 0.57 |
Neurological disorder (%) | 27 (2.7) | 37 (3.7) | 0.53 |
Postoperative cardiac assistance (%) | 13 (1.3) | 20 (2.0) | 0.90 |
Renal replacement therapy (%) | 11 (1.1) | 14 (1.4) | 0.17 |
ICU length of stay (days) | 7.5 (10.0) | 7.0 (6.7) | 0.41 |
Length of hospital stay (days) | 19.7 (16.6) | 20.1 (16.2) | 0.10 |
In-hospital mortality (%) | 21 (2.1) | 7 (2.3) | 0.24 |