Table 2 Postoperative drainage volumes and hematologic levels in the two groups

Drainage volume (mL)

 POD 1

69.26 ± 35.93

153.88 ± 64.02

 < 0.001

 POD 2

36.49 ± 28.85

94.38 ± 48.39

 < 0.001

 Total

113.19 ± 69.62

284.75 ± 129.35

 < 0.001

Hb (g/L)

 POD 1

140.15 ± 12.79

134.73 ± 9.49

0.030

 Extubation

137.04 ± 12.54

128.08 ± 9.83

 < 0.001

 Loss

10.79 ± 4.32

22.48 ± 6.02

 < 0.001

Hct (%)

 POD 1

41.19 ± 3.35

37.93 ± 3.24

 < 0.001

 Extubation

40.06 ± 3.60

35.38 ± 3.06

 < 0.001

 Loss

4.15 ± 1.76

9.48 ± 2.10

 < 0.001