Table 1 Baseline variables before and after matching ORE and ICE.

From: Enhanced recovery after minimally invasive valve surgery – ultra-fast extubation versus standard weaning strategy

Baseline parameters

Before matching

After matching

ORE (n = 387)

ICE (n = 228)

p-value

ORE (n = 122)

ICE (n = 122)

p-value

Age, years

61.93 (60.7–63.1)

62.8 (61.2–64.3)

0.36

63.51 (61.9–65.1)

63.71 (62.1–65.4)

0.87

Sex (male), n (%)

232 (59.9)

150 (65.8)

0.15

77 (31.5)

83 (34.0)

0.32

BMI, kg/m2

25.8 (25.3–26.3)

27.1 (26.4–27.8)

0.04

26.7 (25.9–27.3)

26.6 (25.9–27.5)

0.99

Logistic EuroSCORE II, %

1.3 (1.2–1.4)

1.5 (1.3–1.7)

0.18

1.2 (1.0–1.3)

1.4 (1.2–1.6)

0.08

LVEF, %

59.1 (58.3–60.0)

58.3 (57.2–59.5)

0.28

58.3 (56.8–59.8)

57.8 (56.1–59.4)

0.31

Glomerular filtration rate, ml/min

81.5 (79.6–83.5)

79.9 (77.2–82.5)

0.34

81.6 (78.1–84.9)

81.4 (77.9–84.8)

0.93

Previous Cardiac Surgery, n (%)

18 (4.6)

10 (4.4)

0.88

2 (1.6)

6 (4.9)

0.14

COPD, n (%)

15 (3.9)

14 (6.1)

0.20

12 (24.5)

6 (12.2)

0.12

BSA (m2)

1.9 (1.9–1.9)

2.3 (1.6–2.9)

0.17

1.95 (1.9–2.0)

1.97 (1.9–2.0)

0.71

Coronary artery disease, n (%)

93 (24.0)

51 (22.5)

0.90

34 (27.9)

29 (23.8)

0.90

Previous PCI, n (%)

226/385 (58.7)

127/228 (55.7)

0.47

73 (59.8)

66 (54.1)

0.41

Permanent Pacemaker/ internal defibrillator present, n (%)

18 (4.6)

11 (4.8)

0.92

6 (4.9)

5 (4.1)

0.78

Creatinine, mg/dl

0.93 (0.9–1.0)

1.0 (0.9–1.0)

0.01

0.91 (0.9–1.0)

0.95 (0.9–1.0)

0.07

History of smoking, n (%)

100 (25.8)

55 (24.1)

0.79

38 (31.1)

35 (28.6)

0.68

Packyears

4.02 (2.8–5.2)

3.9 (2.2–5.6)

0.91

4.33 (1.9–6.8)

4.21 (1.9–6.4)

0.94

Diabetes melitus, n (%)

38 (9.8)

22 (9.6)

0.74

16 (13.1)

13 (10.7)

0.59

History of previous stroke, n (%)

13 (3.4)

12 (5.3)

0.25

5 (4.1)

6 (4.9)

0.74

Arterial hypertension, n (%)

221 (57.1)

139 (60.9)

0.29

72 (59)

74 (60.7)

0.89

Peripheral arterial disease, n (%)

11 (2.8)

6 (2.6)

0.88

5 (4.1)

3 (2.5)

0.49

Carotid stenosis > 50%, n (%)

6 (1.6)

1 (0.26)

0.21

1 (0.82)

0 (0)

0.31

NYHA, n (%)

 I

97 (25.0)

49 (21.5)

0.16

22 (18.0)

26 (21.3)

0.87

 II

184 (47.6)

95 (41.7)

59 (48.4)

54 (44.3)

 III

93 (24.1)

73 (32.0)

35 (28.7)

35 (28.7)

 IV

13 (3.3)

11 (4.8)

6 (4.9)

7 (5.7)

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