Table 5 Baseline and perioperative information after propensity score matching

Age (year, N (%))

0.160

< 65

877 (90.88)

500 (89.77)

377 (92.40)

≥65

88 (9.12)

57 (10.23)

31 (7.60)

Sex, N (%)

0.300

Female

416 (43.11)

248 (44.52)

168 (41.18)

Male

549 (56.89)

309 (55.48)

240 (58.82)

BMI (kg/m², N (%))

0.967

<23

425 (44.04)

245 (43.99)

180 (44.12)

≥23

540 (55.96)

312 (56.01)

228 (55.88)

Smoking, N (%)

110 (11.4)

58 (10.41)

52 (12.75)

0.260

Diabetes, N (%)

24 (2.49)

16 (2.87)

8 (1.96)

0.369

Hypertension, N (%)

172 (17.82)

100 (17.95)

72 (17.65)

0.902

Stroke, N (%)

11 (1.14)

5 (0.90)

6 (1.47)

0.602

Arrhythmia, N (%)

144 (14.92)

79 (14.18)

65 (15.93)

0.451

History of cardiovascular surgery, N (%)

25 (2.59)

14 (2.51)

11 (2.70)

0.860

History of VH, N (%)

43 (4.46)

23 (4.13)

20 (4.90)

0.566

Preop use of VA, N (%)

120 (12.44)

66 (11.85)

54 (13.24)

0.519

Preop use of ABX, N (%)

82 (8.5)

46 (8.26)

36 (8.82)

0.756

NYHA, N (%)

0.224

I

93 (9.64)

54 (9.69)

39 (9.56)

II

495 (51.3)

300 (53.86)

195 (47.79)

III

354 (36.68)

192 (34.47)

162 (39.71)

IV

23 (2.38)

11 (1.97)

12 (2.94)

LVEF (%, M (IQR))

57.00 (55.00, 59.00)

57.00 (55.00, 59.00)

57.00 (53.00, 59.00)

0.208

WBC (×10⁹/L, M (IQR))

5.72 (4.78, 6.90)

5.62 (4.75, 6.77)

5.79 (4.80, 7.10)

0.168

UA (μmol/L, M (IQR))

346.00 (290.00, 409.00)

343.00 (283.00, 405.00)

355.50 (296.00, 412.00)

0.150

Creatinine (μmoI/L, M (IQR))

73.00 (64.00, 85.00)

73.00 (64.00, 84.00)

74.00 (64.22, 85.00)

0.509

TC (mmol/L, M (IQR))

3.90 (3.27, 4.63)

3.89 (3.31, 4.61)

3.94 (3.25, 4.67)

0.686

LDL (mmol/L, M (IQR))

2.52 (2.06, 3.01)

2.50 (2.10, 3.00)

2.55 (2.03, 3.04)

0.929

GLU (mmol/L, M (IQR))

4.79 (4.43, 5.29)

4.81 (4.43, 5.27)

4.76 (4.42, 5.30)

0.986

Status of the operation, N (%)

0.051

Elective

955 (98.96)

555 (99.64)

400 (98.04)

Urgent

5 (0.52)

1 (0.18)

4 (0.98)

Emergency

5 (0.52)

1 (0.18)

4 (0.98)

Aortic surgery, N (%)

58 (6.01)

24 (4.31)

34 (8.33)

0.009

MAZE, N (%)

24 (2.49)

15 (2.69)

9 (2.21)

0.631

Transfusion of blood, N (%)

400 (41.45)

208 (37.34)

192 (47.06)

0.002

Cross-clamp time, (min, M (IQR))

79 (61, 100)

65 (54, 76)

108 (90, 126)

<0.001

MHCA, N (%)

18 (1.87)

3 (0.54)

15 (3.68)

<0.001

Type of surgery, N (%)

0.313

Aortic valve

538 (55.75)

311 (55.83)

227 (55.64)

Mitral valve

143 (14.82)

82 (14.72)

61 (14.95)

Tricuspid valve

26 (2.69)

16 (2.87)

10 (2.45)

Aortic+mitral valve

51 (5.28)

23 (4.13)

28 (6.86)

Aortic+tricuspid valve

5 (0.52)

3 (0.54)

2 (0.49)

Aortic+mitral+tricuspid valve

159 (16.48)

101 (18.13)

58 (14.22)

Valve surgery+CABG

43 (4.46)

21 (3.77)

22 (5.39)