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Table 3 Perioperative allogeneic transfusions

From: Mild volume acute normovolemic hemodilution is associated with lower intraoperative transfusion and postoperative pulmonary infection in patients undergoing cardiac surgery -- a retrospective, propensity matching study

Allogeneic transfusions

Propensity-matched

 

ANH

Non-ANH

p-value

(n = 354)

(n = 354)

Intra-operative transfusion

 RBC transfusion, no. (%)

30 (8.5%)

51 (14.4%)

0.013

 Total RBCs transfusion (U)

164

289

0.019

 FFP transfusion, no. (%)

96 (27.1%)

109 (30.8%)

0.281

 Total FFP transfusion (ml)

63770

78660

0.225

 Platelet transfusion, no. (%)

25 (7.1%)

18 (5.1%)

0.271

 Total Platelet transfusion (U)

261

205.7

0.432

Postoperative RBCs transfusion

 Postoperative in 24 h, no. (%)

72 (20.4%)

63 (17.8%)

0.389

 Postoperative in 24 h [median (IQR); U]

0 (0 to 0)

0 (0 to 0)

0.407

 >24 h after surgical start, no. (%)

24 (6.8%)

25 (7.1%)

0.882

 >24 h after surgical start [median (IQR); U]

0 (0 to 0)

0 (0 to 0)

0.881

Postoperative FFP transfusion

 Postoperative in 24 h, no. (%)

90 (25.5%)

93 (26.3%)

0.797

 Postoperative in 24 h [median (IQR); ml]

0 (0 to 230)

0 (0 to 200)

0.914

 Postoperative after 24 h, no. (%)

7 (2.0%)

7 (2.0%)

1.000

 >24 h after surgical start [median (IQR); ml]

0 (0 to 0)

0 (0 to 0)

0.996

Postoperative Platelet transfusion

 Postoperative in 24 h, no. (%)

10 (2.8%)

9 (2.5%)

0.816

 Postoperative in 24 h [median (IQR); U]

0 (0 to 0)

0 (0 to 0)

0.802

 Postoperative after 24 h, no. (%)

1 (0.3%)

2 (0.6%)

0.624#

 >24 h after surgical start [median (IQR); U]

0 (0 to 0)

0 (0 to 0)

0.561

Total Perioperative Allogeneic transfusions

 RBC transfusion, no. (%)

98 (27.7%)

96 (27.1%)

0.866

 RBCs transfusion (U)

0 (0 to 2)

0 (0 to 2)

0.300

 FFP transfusion, no. (%)

153 (43.2%)

157 (44.4%)

0.762

 FFP transfusion (ml)

0 (0 to 730)

0 (0 to 630)

0.876

 Platelet transfusion, no. (%)

35 (9.9%)

28 (7.9%)

0.355

 Platelet transfusion (U)

0 (0 to 0)

0 (0 to 0)

0.380

Postoperative HCT [median (SD); %]

32 ± 5

32 ± 4

0.464

  1. RBCs red blood cells, FFP fresh frozen plasma, HCT hematocrit, ANH acute normovolemic hemodilution