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Table 2 Demographic and clinical characteristics

From: Pulse wave velocity and neutrophil gelatinase-associated lipocalin as predictors of acute kidney injury following aortic valve replacement

Parameter

Total

AKI-No

AKI-Yes

P-value

Intervention-No

Intervention-Yes

P-value

n = 53

n = 37

n = 16

n = 29

n = 24

Male (n [%])

37 (70%)

25 (67%)

12 (75%)

0.58

22 (76%)

15 (62%)

0.29

Age (years)

71 ± 9

70 ± 9

73 ± 8

0.39

69 ± 8

73 ± 9

0.14

White Caucasian (n [%])

52 (98%)

37 (100%)

15 (93%)

0.30

29 (100%)

23 (96%)

0.45

SBP (mmHg)

138 ± 17

136 ± 17

143 ± 18

0.11

139 ± 16

136 ± 20

0.68

DBP (mmHg)

76 ± 12

76 ± 12

77 ± 14

0.51

79 ± 10

79 ± 13

0.14

MAP (mmHg)

97 ± 12

96 ± 12

99 ± 12

0.12

99 ± 11

94 ± 13

0.55

PP (mmHg)

62 ± 15

60 ± 13

66 ± 18

0.23

61 ± 13

63 ± 17

0.81

DM (n [%])

8 (16%)

7 (19%)

1 (6%)

0.23

5 (17%)

3 (12%)

0.68

Hypertensive (n [%])

36 (68%)

25 (68%)

11 (69%)

0.93

17 (59%)

19 (79%)

0.11

Dyslipidemia (n [%])

35 (66%)

25 (68%)

10 (63%)

0.72

17 (59%)

18 (75%)

0.21

Smoking (n [%])

2 (4%)

1 (3%)

1 (6%)

0.25

0 (0.0%)

2 (8%)

0.16

BMI (kg/m2)

27.3 ± 4.4

26.6 ± 4.3

28.9 ± 4.4

0.08

27.0 ± 4.4

27.6 ± 4.5

0.56

PVD (n [%])

1 (2%)

0 (0.0%)

1 (6%)

0.30

0 (0.0%)

1 (4%)

0.45

EF

60 ± 15

63 ± 14

55 ± 17

0.16

63 ± 13

57 ± 17

0.33

AVA (cm2)

0.74 ± 0.22

0.71 ± 0.21

0.80 ± 0.23

0.24

0.75 ± .22

0.73 ± 0.22

0.69

AVPG (mmHg)

81 ± 24

84 ± 25

73 ± 20

0.12

83 ± 28

78 ± 19

0.55

AVMG (mmHg)

47 ± 12

48 ± 12

44 ± 12

0.31

48 ± 12

47 ± 12

0.78

PWV (m/s)

9.3 ± 2.3

9.1 ± 2.3

9.7 ± 2.1

0.34

8.9 ± 2.1

9.8 ± 2.4

0.13

Logistic EuroScore

5.5 ± 4.3

4.8 ± 3.5

6.9 ± 5.5

0.15

4.2 ± 2.2

6.9 ± 5.6

0.22

Concomitant CABG (n [%])

15 (28%)

10 (27%)

5 (31%)

0.75

9 (30%)

9 (37%)

0.18

Cross clamp time (minutes)

68 ± 20

68 ± 18

67 ± 26

0.66

70 ± 19

65 ± 22

0.17

CPB time (minutes)

87 ± 23

86 ± 22

90 ± 28

0.66

88 ± 23

86 ± 25

0.47

IVF duration (hours)

42 ± 17

42 ± 17

43 ± 17

0.41

38 ± 10

48 ± 22

0.04

Fluid balance day 0 (ml)

1987 ± 658

1854 ± 631

2328 ± 622

0.02

1948 ± 679

2037 ± 643

0.68

Fluid balance day 1 (ml)

1348 ± 915

1146 ± 854

1853 ± 893

0.02

1122 ± 808

1626 ± 978

0.05

Post-operative blood products (n [%])

27 (53%)

18 (49%)

9 (56%)

0.51

11 (38%)

16 (66%)

0.03

Hospital stay (days)

6.7 ± 1.7

6.4 ± 1.5

7.3 ± 2.0

0.09

6.3 ± 1.5

7.3 ± 1.8

0.05

  1. Values are shown as n (%) for categorical variables and means ± standard deviation for continuous variables; bold font indicates statistical significance. Abbreviations: AVA, aortic valve area; AVMG, aortic valve mean gradient; AVPG, aortic valve peak gradient; BMI, body mass index; CABG, coronary artery bypass graft; CPB, cardiopulmonary bypass; DBP, diastolic blood pressure; DM, diabetes mellitus; EF, ejection fraction; IVF, intravenous fluid; MAP, mean arterial blood pressure; PP, pulse pressure; PVD, peripheral vascular disease; PWV, pulse wave velocity; SBP, systolic blood pressure.