Table 2 Operative characteristics

 CABG

9 (69.2%)

224 (78.6%)

187 (70.0%)

0.2

 mitral valve replacement

2 (15.4%)

39 (13.7%)

42 (15.8%)

 combined operation

0 (0.0%)

2 (0.7%)

6 (2.2%)

 Others

2 (15.4%)

20 (7.0%)

32 (12.0%)

CBP time, median (IQR), min

105.5 (78.5–140.8)

108.5 (84.8–139.0)

109.5 (84.0–150.8)

0.3

Clamping time, median (IQR), min

61.5 (45.5–99.0)

65.0 (49.8–84.3)

64.0 (50.0–89.0)

0.4

Mechanical assist devices (ECMO, IAB), n (%):

2 (15.4%)

9 (3.2%)

5 (1.9%)

0.01

Lowest HCT, Mean ± SD

17.8 ± 3.4

17.5 ± 3.0

17.6 ± 3.2

0.8

ACT after protamine, Mean ± SD, sec

131.5 ± 12.6

132.3 ± 29.2

130.7 ± 30.6

0.8

Lowest temperature during CPB, Mean ± SD

28.0 ± 3.2

29.2 ± 2.4

29.2 ± 2.6

0.2

Drainage, median (IQR), ml

1735.0 (1352.5–2201.3)

800.0 (650.0–1000.0)

690.0 (460.0–860.0)

<0.001

Intraoperative transfusion of Packed RBCs, median (IQR), units

2.0 (2.0–3.0)

2.0 (1.0–3.0)

2.0 (1.0–2.0)

<0.001