Table 1 Perioperative variables in the non-aPRP group and aPRP group

 Age (year)

49.29 ± 10.60

47.52 ± 9.77

0.030

 Males, n (%)

305 (78.4)

230 (84.6)

0.067

 Height (cm)

172.05 ± 7.51

171.49 ± 8.02

0.359

 Weight (kg)

77.02 ± 13.16

78.8 ± 13.20

0.073

 BMI (kg/M²)

25.97 ± 3.75

26.75 ± 3.70

0.009

 History of smoking, n (%)

137 (35.2)

120 (44.1)

0.023

 History of hypertension, n (%)

294 (75.8)

199 (73.2)

0.448

 History of DM, n (%)

18 (4.6)

13 (4.8)

0.933

 Time from onset of symptoms to surgery (d)

2 (1,4)

2 (1, 4)

0.768

 LVEF (%)

60.22 ± 6.52

60.58 ± 6.302

0.490

 LVEDd (mm)

50.76 ± 8.71

49.888 ± 7.8517

0.195

 EuroSCORE

5 (4.5,5)

5 (5,5)

0.408

 HR (beats/min)

80 ± 15

80 ± 15

0.334

 MBP (mm Hg)

89 ± 18

85 ± 22

0.014

 Hb(g/L)

12.68 ± 2.63

13.91 ± 4.14

0.001

 WBC (10⁹/L)

10.91 ± 4.11

11.38 ± 3.72

0.135

 PLC(10⁹ /L)

151 ± 76

171 ± 64

0.001

 LAC (mmol/L)

1.52 ± 0.95

1.56 ± 0.87

0.549

 SCr (umol/L)

102.9 ± 53.1

82.6 ± 37.6

< 0.001

 PT (second)

12.74 ± 2.29

12.81 ± 2.06

0.727

 PTA(100%)

87.03 ± 14.44

84.67 ± 14.67

0.128

 APTT (second)

32.83 ± 11.51

31.70 ± 6.76

0.211

 FIB(g/L)

3.30 ± 1.49

3.21 ± 1.56

0.571

 FDP (mg/L)

18.65 (9.01,31.45)

19.2 (10.2,35.65)

0.329

 D-D (ug/L)

1581 (850, 2976)

1836 (808, 2719)

0.660

 INR

1.09 (1.03,1.18)

1.11 (1.04,1.19)

0.192

 With CABG

13 (5.2)

16 (6.5)

0.537

 Duration of surgery (min)

465 ± 99

492 ± 105

0.001

 Duration of CPB (min)

271.49 ± 172.64

281.27 ± 152.09

0.453

 Duration of Aortic cross-clamping (min)

92.97 ± 56.01

86.95 ± 54.77

0.171

 Lowest rectal temperature (°C)

25.21 ± 2.13

25.21 ± 1.79

0.966

 Lowest nasopharyngeal temperature (°C)

22.46 ± 6.02

22.91 ± 6.60

0.363

 Intravenous crystalloid (mL)

2153 ± 887

2354 ± 1133

0.015

 Allogeneic Red blood cells (units)

0 (0, 4)

0 (0, 3)

0.012

 Allogeneic blood Plasma (mL)

200 (0, 600)

0 (0,400)

0.001

 ^aBlood product transfused (ml)

520 (0,1040)

375 (0,975)

0.014

 Urine volume during surgery (mL)

1591 ± 1073

1643 ± 863

0.503

 LVEF (%)

59.68 ± 7.04

59.59 ± 6.57

0.870

 HR (beats/min)

93 ± 17

94 ± 16

0.384

 MBP (mmHg)

88 ± 19

86 ± 20

0.20

 Hb(g/L)

10.23 ± 1.86

10.42 ± 1.57

0.545

 WBC (10⁹/L)

11.48 ± 4.86

12.15 ± 4.57

0.20

 PLC(10⁹ /L)

106 ± 51

97 ± 62

0.14

 LAC (mmol/L)

2.79 ± 3.12

3.97 ± 3.93

<0.001

 PT (second)

13.77 ± 4.45

13.18 ± 2.39

0.080

 PTA(100%)

82.81 ± 15.72

81.56 ± 14.86

0.442

 APTT (second)

32.63 ± 7.13

33.10 ± 12.04

0.628

 FIB(g/L)

3.34 ± 1.43

3.39 ± 1.97

0.731

 FDP (mg/L)

19 (9.17,32.4)

17.56 (9.52,35.67)

0.929

 D-D (ug/L)

1963 (855,3046)

1619 (815,2841)

0.510

 INR

1.12 (1.04,1.24)

1.14 (1.06,1.24)

0.323

 SCr (umol/L)

118.58 ± 72.59

105.89 ± 51.50

0.011

 SCr (umol/L)

133.1 ± 91.8

115.2 ± 66.6

0.005

 Seroma volume of drainage (mL)

1472 ± 667

1539 ± 820

0.263

 SCr (umol/L)

136.1 ± 106.3

122.3 ± 98.2

0.102

 SCr (umol/L)

113.4 ± 93.7

110.1 ± 77.5

0.737